PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?person ?personLabel ?birthplace ?birthplaceLabel ?dob WHERE {
  ?person wdt:P31 wd:Q5 ; wdt:P106 / wdt:P279 * wd:Q482980 ; wdt:P27 wd:Q30 ; wdt:P569 ?dob .
  FILTER ( ?dob > "1919-12-31" ^^ xsd:date ) FILTER NOT EXISTS {
    ?person wdt:P570 ?dod
  }
  {
    ?person wdt:P19 ?birthplace .
    ?birthplace wdt:P131 * wd:Q771 .
  } UNION {
    ?person wdt:P19 wd:Q771 .
    BIND( wd:Q771 AS ?birthplace )
  }
  OPTIONAL {
    ?person rdfs:label ?personLabel .
    FILTER ( lang( ?personLabel ) = 'en' )
  }
  OPTIONAL {
    ?birthplace rdfs:label ?birthplaceLabel .
    FILTER ( lang( ?birthplaceLabel ) = 'en' )
  }
}
ORDER BY ?dob

Got 1,589 rows and 5 columns, showing the first 5 and last 5 rows below:
| person                                  | personLabel                   | birthplace             | birthplaceLabel | dob                                 |
| --------------------------------------- | ----------------------------- | ---------------------- | --------------- | ----------------------------------- |
| Norman Brown (wd:Q106187478)            | Norman Brown (en)             | Lynn (wd:Q49188)       | Lynn (en)       | 1921-02-07T00:00:00Z (xsd:dateTime) |
| Madeline M. Henderson (wd:Q65940672)    | Madeline M. Henderson (en)    | Merrimac (wd:Q2302316) | Merrimac (en)   | 1922-09-03T00:00:00Z (xsd:dateTime) |
| Bruce Plymton Bogert (wd:Q102168997)    | Bruce Plymton Bogert (en)     | Waltham (wd:Q49190)    | Waltham (en)    | 1923-09-26T00:00:00Z (xsd:dateTime) |
| Frank Robert Tangherlini (wd:Q66439413) | Frank Robert Tangherlini (en) | Boston (wd:Q100)       | Boston (en)     | 1924-03-14T00:00:00Z (xsd:dateTime) |
| George Sullivan (wd:Q107285792)         | George Sullivan (en)          | Lowell (wd:Q49162)     | Lowell (en)     | 1927-01-01T00:00:00Z (xsd:dateTime) |
| ...                                     | ...                           | ...                    | ...             | ...                                 |
| Johanna Wacker (wd:Q115100537)          | Johanna Wacker (en)           | Boston (wd:Q100)       | Boston (en)     | 2000-11-19T00:00:00Z (xsd:dateTime) |
| c6merxn (wd:Q109497805)                 | c6merxn (en)                  | Boston (wd:Q100)       | Boston (en)     | 2002-10-26T00:00:00Z (xsd:dateTime) |
| Imogen Tear (wd:Q64137488)              | Imogen Tear (en)              | Boston (wd:Q100)       | Boston (en)     | 2003-10-04T00:00:00Z (xsd:dateTime) |
| Rich Amiri (wd:Q117000130)              | Rich Amiri (en)               | Boston (wd:Q100)       | Boston (en)     | 2004-02-06T00:00:00Z (xsd:dateTime) |
| Kannon James (wd:Q113112107)            | Kannon James (en)             | Boston (wd:Q100)       | Boston (en)     | 2011-04-24T00:00:00Z (xsd:dateTime) |

This query returns living authors (including all subclasses, such as novelist or poet) who are citizens of the United States, were born in Massachusetts after 1919 (including those whose birthplace is directly set to Massachusetts), and includes their birthplace, date of birth, and English labels for both the person and birthplace, ordered by date of birth. Duplicate rows are avoided.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
wikidata at https://qlever.cs.uni-freiburg.de/api/wikidata-sebastian

You can use the following SPARQL prefixes implicitly in all functions:
cc: <http://creativecommons.org/ns#
data: <https://www.wikidata.org/wiki/Special:EntityData/
dct: <http://purl.org/dc/terms/
geo: <http://www.opengis.net/ont/geosparql#
geof: <http://www.opengis.net/def/function/geosparql/
imdb: <https://www.imdb.com/
math: <http://www.w3.org/2005/xpath-functions/math#
ontolex: <http://www.w3.org/ns/lemon/ontolex#
owl: <http://www.w3.org/2002/07/owl#
p: <http://www.wikidata.org/prop/
pq: <http://www.wikidata.org/prop/qualifier/
pqn: <http://www.wikidata.org/prop/qualifier/value-normalized/
pqv: <http://www.wikidata.org/prop/qualifier/value/
pr: <http://www.wikidata.org/prop/reference/
prn: <http://www.wikidata.org/prop/reference/value-normalized/
prov: <http://www.w3.org/ns/prov#
prv: <http://www.wikidata.org/prop/reference/value/
ps: <http://www.wikidata.org/prop/statement/
psn: <http://www.wikidata.org/prop/statement/value-normalized/
psv: <http://www.wikidata.org/prop/statement/value/
qfn: <http://qlever.cs.uni-freiburg.de/function#
ql: <http://qlever.cs.uni-freiburg.de/builtin-functions/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
ref: <http://www.wikidata.org/reference/
s: <http://www.wikidata.org/entity/statement/
schema: <http://schema.org/
skos: <http://www.w3.org/2004/02/skos/core#
v: <http://www.wikidata.org/value/
wd: <http://www.wikidata.org/entity/
wdno: <http://www.wikidata.org/prop/novalue/
wdt: <http://www.wikidata.org/prop/direct/
wdtn: <http://www.wikidata.org/prop/direct-normalized/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
dc: <http://purl.org/dc/elements/1.1/
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] What are the details of living authors who are citizens of the United States, were born in Massachusetts after 1919, including their birthplace and date of birth, ordered by their date of birth?

[Assistant]
Let's break down the question:

1. We need "living authors".
   - "Authors" can be found by occupation.
   - "Living" means they do not have a date of death.

2. "Citizens of the United States".
   - This is a property for citizenship.

3. "Born in Massachusetts after 1919".
   - Place of birth: Massachusetts.
   - Date of birth: after 1919.

4. We need their details: birthplace, date of birth.

5. Order by date of birth.

Let's proceed step by step:

Step 1: Find the entity for "author".
Step 2: Find the property for "citizenship".
Step 3: Find the entity for "United States".
Step 4: Find the property for "place of birth".
Step 5: Find the entity for "Massachusetts".
Step 6: Find the property for "date of birth".
Step 7: Find the property for "date of death".
Step 8: Build the query with all constraints and order by date of birth.

Let's start by searching for the entity "author".

[Tool]
Top 10 entity alternatives:
1. writer, also known as penwoman, writers, penwomen, penmen, penman (wd:Q36180): person who uses written words to communicate ideas and to produce literary works
2. author, also known as authors, contributor, contributors (wd:Q482980): writer of an original work
3. Author! Author! (wd:Q646972): 1982 film by Arthur Hiller
4. Author! Author! (wd:Q2872379): short story by Isaac Asimov
5. .author (wd:Q24033183): top-level domain
6. Author (wd:Q3501429): Czech brand of bicycles
7. Author, Author (wd:Q4825905): episode of Star Trek: Voyager (S7 E20)
8. Author, Author (wd:Q4825909): book by David Lodge
9. Author! Author! (wd:Q4825904): album by Scars
10. Elisabeth Jane Bertrand, also known as Author (wd:Q64629325): Founder of Dolcevia.com, entrepreneur, journalist, writer

[Assistant]
The most relevant entity for "author" is wd:Q482980 ("author, writer of an original work").

Next, let's find the property for "citizenship".

[Tool]
Top 10 property alternatives:
1. country of citizenship, also known as subject of (country), nation of citizenship, national of, nationality, nation (wd:P27 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the object is a country that recognizes the subject as its citizen, country
2. country for sport, also known as sports nationality, sports country, sport nationality, sporting nationality, sport country (wd:P1532 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): country a person or a team represents when playing a sport, country
3. permanent resident of, also known as landed immigrant of, PR (wd:P5389 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): country or region where a person has the legal status of permanent resident
4. occupant, also known as tenant, resident, renter, occupiers, lessee (wd:P466 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): person or organization occupying property, used by
5. ethnic group, also known as ethnic or cultural origin, tribal affiliation, race, people, ethnicity (wd:P172 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): subject's ethnicity (consensus is that a VERY high standard of p...agreed on by scholars, or 3) is fictional and portrayed as such)
6. place of birth, also known as POB, location of birth, location born, born in, birthplace (wd:P19 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): most specific known birth location of a person, animal or fictional character, location
7. residence, also known as living in, place of residence, resided at, resided in, resident in (wd:P551 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the place where the person is or has been, resident, location
8. right to vote, also known as suffrage (wd:P2964 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): people who have right to vote at this election, referendum, etc.
9. category for people born here, also known as category for place of birth, category of people born here (wd:P1464 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): category item that groups people born in this place, related category
10. A New Nation Votes ID (wd:P12578 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): ID of a person in A New Nation Votes: American Electoral Returns, 1788-1825

[Assistant]
The property for "citizenship" is "country of citizenship" (wdt:P27).

Next, let's find the entity for "United States".

[Tool]
Top 10 entity alternatives:
1. United States, also known as the U.S. of A, United States of America, the US of America, United States of North America, U. S. (wd:Q30): country primarily located in North America
2. U.S. state, also known as U.S. states, US state, USA state, U.S.A. state, United States states (wd:Q35657): constituent political entity of the United States of America
3. United States (wd:Q3604334)
4. United States (wd:Q16959097): 2009 studio album by Paul Gilbert
5. United States (wd:Q3965121): television series
6. United States at the 2013 Summer Universiade, also known as United States (wd:Q17027772): sporting event delegation
7. United States (wd:Q110654358): article in The New International Encyclopædia
8. UNITED STATES (wd:Q93577393): scientific article published in September 1927
9. United States (wd:Q64146392)
10. United States (wd:Q73165358): scientific article published on 01 October 2000

[Assistant]
The entity for "United States" is wd:Q30.

Now, let's find the property for "place of birth".

[Tool]
Top 10 property alternatives:
1. place of birth, also known as POB, location of birth, location born, born in, birthplace (wd:P19 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): most specific known birth location of a person, animal or fictional character, location
2. date of birth, also known as year of birth, birthdate, DOB, born on, born (wd:P569 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date on which the subject was born, inception
3. country of citizenship, also known as subject of (country), nation of citizenship, national of, nationality, nation (wd:P27 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the object is a country that recognizes the subject as its citizen, country
4. birthday, also known as b-day, bday, birth day (wd:P3150 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): item for day and month on which the subject was born. Used when full "date of birth" (P569) isn't known., date of birth
5. birth name, also known as née, name at birth, name before marriage, ne, né (wd:P1477 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): full name of a person at birth, if different from their current, generally used name, name
6. category for people born here, also known as category for place of birth, category of people born here (wd:P1464 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): category item that groups people born in this place, related category
7. valid in place, also known as applies to country, applies to location, applies to place, country, true in (wd:P3005 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): place where a statement is valid, applies to part
8. country of origin, also known as origin country, place of origin, originates from, country, CoO (wd:P495 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): country of origin of this item (creative work, food, phrase, product, etc.), significant place, country
9. country, also known as sovereign state, state, land, host country (wd:P17 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): sovereign state that this item is in (not to be used for human beings), located in the administrative territorial entity
10. commemorates, also known as monument to, memorial to, memorializes, marks, in memory of (wd:P547 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): what the place, monument, memorial, or holiday, commemorates, main subject

[Assistant]
The property for "place of birth" is wdt:P19.

Now, let's find the entity for "Massachusetts".

[Tool]
Top 10 entity alternatives:
1. Massachusetts, also known as Mass., US-MA, The Commonwealth of Massachusetts, 6th State, The Bay State (wd:Q771): state of the United States of America
2. Massachusetts, also known as US-MA, The Commonwealth of Massachusetts, Bay State, The Bay State, Taxachusetts (wd:Q771): state of the United States of America
3. 4547 Massachusetts, also known as Massachusetts (wd:Q1045311): asteroid
4. Massachusetts, also known as Massachusetts (The Lights Went Out In), Lights went out in Massachusetts (wd:Q656437): 1967 single by Bee Gees
5. Massachusetts (wd:Q6784161): original song written and composed by Arlo Guthrie
6. How Can You Mend a Broken Heart ...ights Went Out In) Massachusetts, also known as OS 13080, (The Lights Went Out In) Massachusetts, Massachusetts, How Can You Mend a Broken Heart (wd:Q1056006): 1973 single by Bee Gees
7. Massachusetts (wd:Q1166387): 1973 double compilation album by Bee Gees
8. Massachusetts (wd:Q1166389): 1968 compilation album by Bee Gees
9. Massachusetts (wd:Q1166390): 1973 UK compilation album by The Bee Gees
10. Massachusetts (wd:Q17040616): 2013 studio album by Lori McKenna

[Assistant]
The entity for "Massachusetts" is wd:Q771.

Now, let's find the property for "date of birth".

[Tool]
Top 10 property alternatives:
1. date of birth, also known as year of birth, birthdate, DOB, born on, born (wd:P569 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date on which the subject was born, inception
2. place of birth, also known as POB, location of birth, location born, born in, birthplace (wd:P19 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): most specific known birth location of a person, animal or fictional character, location
3. birthday, also known as b-day, bday, birth day (wd:P3150 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): item for day and month on which the subject was born. Used when full "date of birth" (P569) isn't known., date of birth
4. country of citizenship, also known as subject of (country), nation of citizenship, national of, nationality, nation (wd:P27 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the object is a country that recognizes the subject as its citizen, country
5. commemorates, also known as monument to, memorial to, memorializes, marks, in memory of (wd:P547 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): what the place, monument, memorial, or holiday, commemorates, main subject
6. birth name, also known as née, name at birth, name before marriage, ne, né (wd:P1477 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): full name of a person at birth, if different from their current, generally used name, name
7. date of death, also known as DOD, deathdate, died, died on, year of death (wd:P570 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): dissolved, abolished or demolished date, date on which the subject died, end time
8. inception, also known as initial release date, founded in, founded on, founded on date, founding date (wd:P571 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time when an entity begins to exist; for date of official opening use P1619, start time
9. website username or ID, also known as user name, website username, website ID, username in social media, username (wd:P554 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): username or identifier on a website that the person or movement ... account on, for use as qualifier of "website account on" (P553)
10. pseudonym, also known as nom de plume, nom-de-plume, nome de guerre, pen name, ring name (wd:P742 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): alias used by someone (for nickname use P1449), name

[Assistant]
The property for "date of birth" is wdt:P569.

Now, let's find the property for "date of death" to filter for living people.

[Tool]
Top 10 property alternatives:
1. date of death, also known as DOD, deathdate, died, died on, year of death (wd:P570 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): dissolved, abolished or demolished date, date on which the subject died, end time
2. place of death, also known as POD, location of death, killed in, deathplace, died in (wd:P20 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): most specific known (e.g. city instead of country, or hospital i... city) death location of a person, animal or fictional character, location
3. date of birth, also known as year of birth, birthdate, DOB, born on, born (wd:P569 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date on which the subject was born, inception
4. date of burial or cremation, also known as burial date, cremation date, date of cremation, funeral date (wd:P4602 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date on which the person was buried or cremated soon after death, point in time
5. number of deaths, also known as dead, qty fatalities, qty deaths, number of fatalities, fatalities (wd:P1120 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): total (cumulative) number of people who died since start as a direct result of an event or cause
6. birthday, also known as b-day, bday, birth day (wd:P3150 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): item for day and month on which the subject was born. Used when full "date of birth" (P569) isn't known., date of birth
7. commemorates, also known as monument to, memorial to, memorializes, marks, in memory of (wd:P547 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): what the place, monument, memorial, or holiday, commemorates, main subject
8. cause of death, also known as death cause, murder method, method of murder, die of, die from (wd:P509 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): underlying or immediate cause of death.  Underlying cause (e.g. ...adest category, e.g. natural causes, accident, homicide, suicide
9. inception, also known as initial release date, founded in, founded on, founded on date, founding date (wd:P571 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time when an entity begins to exist; for date of official opening use P1619, start time
10. dissolved, abolished or demolished date, also known as ended, publication end date, final issue, date repealed, final year (wd:P576 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): point in time at which the subject (organisation, building) ceas...g equipment,  "discontinued date" (P2669) for stopping a product, end time

[Assistant]
The property for "date of death" is wdt:P570.

Now, let's summarize the constraints and build the SPARQL query:
- Instance of human (wd:Q5)
- Occupation: author (wd:Q482980)
- Country of citizenship: United States (wd:Q30)
- Place of birth: Massachusetts (wd:Q771)
- Date of birth: after 1919-12-31
- No date of death (living)
- Return: person, birthplace, date of birth (optionally label)
- Order by date of birth

Let's write the query.

[Tool]
Got 26 rows and 3 columns, showing the first 5 and last 5 rows below:
| person                          | birthplace             | dob                                 |
| ------------------------------- | ---------------------- | ----------------------------------- |
| Bambi Jones (wd:Q4853375)       | Holyoke (wd:Q1637790)  | 1931-01-01T00:00:00Z (xsd:dateTime) |
| Burton Malkiel (wd:Q1072872)    | Boston (wd:Q100)       | 1932-08-28T00:00:00Z (xsd:dateTime) |
| Raymond E. Fowler (wd:Q7298740) | Salem (wd:Q54140)      | 1933-11-11T00:00:00Z (xsd:dateTime) |
| Lawrence Bossidy (wd:Q6503868)  | Pittsfield (wd:Q49184) | 1935-03-05T00:00:00Z (xsd:dateTime) |
| Buffy Sainte-Marie (wd:Q467027) | Stoneham (wd:Q2901023) | 1941-02-20T00:00:00Z (xsd:dateTime) |
| ...                             | ...                    | ...                                 |
| Steve Kornacki (wd:Q7613068)    | Groton (wd:Q3776991)   | 1979-08-01T00:00:00Z (xsd:dateTime) |
| Farnoosh Torabi (wd:Q5436041)   | Worcester (wd:Q49179)  | 1980-02-15T00:00:00Z (xsd:dateTime) |
| Freida McFadden (wd:Q121304449) | Boston (wd:Q100)       | 1980-05-01T00:00:00Z (xsd:dateTime) |
| Hilaria Baldwin (wd:Q24702913)  | Boston (wd:Q100)       | 1984-01-06T00:00:00Z (xsd:dateTime) |
| David Roth (wd:Q62413627)       | Boston (wd:Q100)       | 1989-04-12T00:00:00Z (xsd:dateTime) |

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The query is mostly correct and returns the expected information, but it can be improved in the following ways:

1. The query does not return any labels for the person or birthplace, which would make the results more human-readable. While not strictly required, adding OPTIONAL { ?person rdfs:label ?personLabel. FILTER (lang(?personLabel) = 'en') } and similarly for birthplace would be helpful.
2. The query uses wdt:P106 wd:Q482980 (occupation: author), but some authors may have multiple occupations, and Wikidata sometimes uses subclasses for specific types of authors (e.g., novelist, poet). Consider using wdt:P106/wdt:P279* wd:Q482980 to include subclasses of author.
3. The query currently uses LIMIT 100, which is fine for demonstration, but the user did not specify a limit. If completeness is desired, consider removing or increasing the limit.

Otherwise, the query logic is sound: it filters for living people (no date of death), U.S. citizens, born in Massachusetts after 1919, and orders by date of birth. The use of wdt:P131* for birthplace is appropriate for capturing all locations within Massachusetts.

[Assistant]
Thank you for the feedback! Here’s how I’ll refine the query:

1. Add OPTIONAL clauses to retrieve English labels for both the person and birthplace.
2. Use wdt:P106/wdt:P279* wd:Q482980 to include all subclasses of author (e.g., novelist, poet).
3. Remove the LIMIT to allow for a more complete result set.

Here is the improved SPARQL query:

```sparql
SELECT ?person ?personLabel ?birthplace ?birthplaceLabel ?dob WHERE {
  ?person wdt:P31 wd:Q5;                         # instance of human
          wdt:P106/wdt:P279* wd:Q482980;         # occupation: author or subclass
          wdt:P27 wd:Q30;                        # citizenship: United States
          wdt:P19 ?birthplace;                   # place of birth
          wdt:P569 ?dob.                         # date of birth
  ?birthplace wdt:P131* wd:Q771.                 # birthplace in Massachusetts (recursively)
  FILTER(?dob > "1919-12-31"^^xsd:date)
  FILTER NOT EXISTS { ?person wdt:P570 ?dod }    # no date of death (living)
  OPTIONAL { ?person rdfs:label ?personLabel. FILTER (lang(?personLabel) = 'en') }
  OPTIONAL { ?birthplace rdfs:label ?birthplaceLabel. FILTER (lang(?birthplaceLabel) = 'en') }
}
ORDER BY ?dob
```

This query will return living authors (including all subclasses), who are U.S. citizens, born in Massachusetts after 1919, with their birthplace and date of birth, and includes English labels for easier reading, ordered by date of birth.

Let me submit this as the final answer.

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The query is mostly correct and comprehensive, but there are a few refinements to consider:

1. The occupation filter uses `wdt:P106/wdt:P279* wd:Q482980`, which will only match people whose occupation is a subclass of author, not people whose occupation is directly 'author' (wd:Q482980) itself. It should be `wdt:P106/wdt:P279* wd:Q482980` OR `wdt:P106 wd:Q482980` to cover both cases, or better: `wdt:P106/wdt:P279* wd:Q482980` (since P279* includes the class itself).

2. The birthplace filter `?birthplace wdt:P131* wd:Q771` is good for catching places within Massachusetts, but it may miss some cases where the birthplace is directly Massachusetts (e.g., if someone is born in 'Massachusetts' as the value). Consider also allowing `?birthplace = wd:Q771`.

3. The query currently returns duplicate rows for some people (as seen in the sample output). This may be due to multiple labels or other data issues. Consider using SELECT DISTINCT to avoid duplicates.

4. The query returns labels via OPTIONAL, which is correct, but make sure that the main result always includes the IRIs as required.

5. The query is otherwise well-structured and meets the requirements of the question.

[Assistant]
Thank you for the detailed feedback! Here’s how I’ll refine the query:

1. The occupation filter wdt:P106/wdt:P279* wd:Q482980 already includes wd:Q482980 itself, so it is sufficient.
2. To ensure we catch people whose birthplace is directly Massachusetts, I’ll add UNION to allow ?birthplace = wd:Q771.
3. To avoid duplicate rows, I’ll use SELECT DISTINCT.
4. I’ll keep the IRIs for person and birthplace, and labels as OPTIONAL.

Here is the improved query:

```sparql
SELECT DISTINCT ?person ?personLabel ?birthplace ?birthplaceLabel ?dob WHERE {
  ?person wdt:P31 wd:Q5;
          wdt:P106/wdt:P279* wd:Q482980;
          wdt:P27 wd:Q30;
          wdt:P569 ?dob.
  FILTER(?dob > "1919-12-31"^^xsd:date)
  FILTER NOT EXISTS { ?person wdt:P570 ?dod }
  {
    ?person wdt:P19 ?birthplace.
    ?birthplace wdt:P131* wd:Q771.
  }
  UNION
  {
    ?person wdt:P19 wd:Q771.
    BIND(wd:Q771 AS ?birthplace)
  }
  OPTIONAL { ?person rdfs:label ?personLabel. FILTER (lang(?personLabel) = 'en') }
  OPTIONAL { ?birthplace rdfs:label ?birthplaceLabel. FILTER (lang(?birthplaceLabel) = 'en') }
}
ORDER BY ?dob
```

This query ensures:
- All relevant authors are included (including those with occupation as a subclass of author).
- Birthplaces directly set to Massachusetts are included.
- Duplicates are removed.
- IRIs are always present, with English labels as available.

Submitting this as the final answer.

[Tool] Stopped generation process


PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?article WHERE {
  ?article wdt:P31 wd:Q13442814 ; wdt:P1433 wd:Q15817086 .
  FILTER NOT EXISTS {
    ?article rdfs:label ?label .
    FILTER ( lang( ?label ) = "en" )
  }
}

The scholarly article wd:Q102354418 published in the journal Geosphere does not have an English label.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
wikidata at https://qlever.cs.uni-freiburg.de/api/wikidata-sebastian

You can use the following SPARQL prefixes implicitly in all functions:
cc: <http://creativecommons.org/ns#
data: <https://www.wikidata.org/wiki/Special:EntityData/
dct: <http://purl.org/dc/terms/
geo: <http://www.opengis.net/ont/geosparql#
geof: <http://www.opengis.net/def/function/geosparql/
imdb: <https://www.imdb.com/
math: <http://www.w3.org/2005/xpath-functions/math#
ontolex: <http://www.w3.org/ns/lemon/ontolex#
owl: <http://www.w3.org/2002/07/owl#
p: <http://www.wikidata.org/prop/
pq: <http://www.wikidata.org/prop/qualifier/
pqn: <http://www.wikidata.org/prop/qualifier/value-normalized/
pqv: <http://www.wikidata.org/prop/qualifier/value/
pr: <http://www.wikidata.org/prop/reference/
prn: <http://www.wikidata.org/prop/reference/value-normalized/
prov: <http://www.w3.org/ns/prov#
prv: <http://www.wikidata.org/prop/reference/value/
ps: <http://www.wikidata.org/prop/statement/
psn: <http://www.wikidata.org/prop/statement/value-normalized/
psv: <http://www.wikidata.org/prop/statement/value/
qfn: <http://qlever.cs.uni-freiburg.de/function#
ql: <http://qlever.cs.uni-freiburg.de/builtin-functions/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
ref: <http://www.wikidata.org/reference/
s: <http://www.wikidata.org/entity/statement/
schema: <http://schema.org/
skos: <http://www.w3.org/2004/02/skos/core#
v: <http://www.wikidata.org/value/
wd: <http://www.wikidata.org/entity/
wdno: <http://www.wikidata.org/prop/novalue/
wdt: <http://www.wikidata.org/prop/direct/
wdtn: <http://www.wikidata.org/prop/direct-normalized/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
dc: <http://purl.org/dc/elements/1.1/
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] Which scholarly articles published in the journal Geosphere do not have an English label?

[Assistant]
Let's break down the question:

1. We need to identify the journal "Geosphere" in Wikidata.
2. We need to find scholarly articles published in this journal.
3. We need to filter those articles that do not have an English label.

First, I'll search for the entity representing the journal "Geosphere" in Wikidata.

[Tool]
Top 10 entity alternatives:
1. magazine, also known as serial, quarterly, journal, glossy, magazines (wd:Q41298): publication that is typically distributed at a regular interval
2. magazine, also known as glossy, journal, serial, magazines, quarterly (wd:Q41298): publication that is typically distributed at a regular interval
3. diary, also known as diaries, journal, journaling (wd:Q185598): personal written record with discrete entries arranged by date
4. scientific journal, also known as journal, journals, science journal, scientific journals, scientific magazine (wd:Q5633421): periodical journal publishing scientific research
5. geosphere (wd:Q241284): collective name for the lithosphere, the hydrosphere, the cryosphere, and the atmosphere
6. academic journal, also known as academic review, journal, learned journal, peer-reviewed journal, refereed journal (wd:Q737498): peer-reviewed periodical relating to an academic discipline
7. general journal, also known as day book, daybook, journal, subsidiary journal (wd:Q608971): volume used in bookkeeping containing daily records of receipts and expenditures in the order of their occurrence
8. transaction log, also known as transaction journal, Logging and Recovery, database journal, journal, filesystem journal (wd:Q948454): record of changes made to stored data by a database management s..., which can be rolled back to implement transactional guarantees
9. journal (wd:Q49850): written medium (duplicate item)
10. Goncourt Journal, also known as Journal (wd:Q19176092)

[Assistant] The search did not return a specific entity for the journal "Geosphere" (the scientific journal), but only general terms and unrelated entities. To proceed, I will try searching for "Geosphere" alone, as sometimes the journal may be listed under its name without "journal" appended.

[Tool]
Top 10 entity alternatives:
1. geosphere (wd:Q241284): collective name for the lithosphere, the hydrosphere, the cryosphere, and the atmosphere
2. Geosphere (wd:Q15817086): journal
3. geosphere (wd:L34735-F1)
4. geosphere (wd:L34735)
5. geosphere (wd:L1160508-S1)
6. GeoSphere Austria (wd:Q116189368): meteorological service of Austria (since 2023)
7. geospheres (wd:L34735-F2)
8. interacting geosphere (wd:L34741-S1)
9. ENWEST GEOSPHERE──ANTHROPOSPHE (wd:Q98517768): article published in 1997
10. Sun and Geosphere, also known as Sun and geosphere: the internati...nal of research and applications (wd:Q131312884): scientific journal

[Assistant]
The entity "Geosphere" (journal) is wd:Q15817086. Next, I need to find scholarly articles published in this journal.

To do this, I need to identify the property for "published in" (which links articles to their journals). I'll search for the property "published in".

[Tool]
Top 10 property alternatives:
1. published in, also known as song on album, tome of the book, tome of, track of, track on (wd:P1433 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): larger work that a given work was published in, like a book, journal or music album, part of
2. publication date, also known as launched, published, publication time, publication, pubdate (wd:P577 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date or point in time when a work was first published or released, point in time
3. place of publication, also known as published in (place), where published, release region, released in, published from (wd:P291 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): geographical place of publication of the edition (use 1st edition when referring to works), significant place
4. announcement date, also known as released, date teased, made public on, public announcement date, published (wd:P6949 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time of the first public presentation of a subject by the creator, of information by the media, point in time
5. introduced in, also known as added in, introduced by, first published in, first appeared in (wd:P10695 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): work that introduced this concept
6. platform, also known as computing platform, runtime, published on, platforms, hardware (wd:P400 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): platform for which a work was developed or released, or the specific platform version of a software product
7. publisher, also known as video game publisher, software publisher, comic book publisher, sheet music publisher, publishing house (wd:P123 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): organization or person responsible for publishing books, periodicals, printed music, podcasts, games or software
8. described by source, also known as mentioned in, source of item, reviewed in, mentioned in news article, talked about in (wd:P1343 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): work where this item is described, attested in
9. full work available at URL, also known as full text available at, full text available at URL, full text url, online mirror, online version (wd:P953 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): URL of a web page containing the full body of this item, URL
10. notable work, also known as artwork, wrote, writer of, works, work (wd:P800 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): notable scientific, artistic or literary work, or other work of significance among subject's works

[Assistant]
The property "published in" is wd:P1433. Now, I need to find all scholarly articles (instance of "scholarly article") published in "Geosphere" (wd:Q15817086).

Next, I need to identify the property for "instance of" and the entity for "scholarly article". I'll search for "scholarly article" to get its entity.

[Tool]
Top 10 entity alternatives:
1. scholarly article, also known as scientific papers, scientific paper, scientific article, scholarly paper, scholarly articles (wd:Q13442814): article in an academic publication, usually peer reviewed
2. academic journal article, also known as academic article, academic paper, journal article, scholarly article (wd:Q18918145): article published in an academic journal
3. More rain, more virus, also known as Scholarly article (wd:Q60067355): scientific article published in Nature
4. Nine axes of merit for technosignature searches, also known as scholarly article (wd:Q122939269): scientific article published on 19 November 2019
5. News censorship in online social...rcumvention in the commentsphere, also known as scholarly article (wd:Q116784910): scientific article published on 3 June 2016
6. The importance of peer group ("crowd") affiliation in adolescence, also known as scholarly article (wd:Q126361512)
7. The possibility of converting lipids into carbohydrates in man., also known as scholarly article (wd:Q78576861): scientific article published on 01 June 1954
8. fictional scholarly article, also known as fictional scientific article (wd:Q116527851): scientific article in a work of fiction
9. medical scholarly article, also known as medical journal article (wd:Q82969330): scholarly article in the field of medicine, often published in a medical journal
10. Marc-André Selosse (scholarly article), also known as Marc-André Selosse (wd:Q48058861): scientific article published in January 2015

[Assistant]
The entity for "scholarly article" is wd:Q13442814. The property for "instance of" is commonly wd:P31.

Now, I need to construct a query to:
- Find items that are instance of scholarly article (wd:P31 wd:Q13442814)
- Published in Geosphere (wd:P1433 wd:Q15817086)
- Do not have an English label

To check for the absence of an English label, I can use the FILTER NOT EXISTS clause with rdfs:label and language tag "en".

I will now write and execute a SPARQL query to retrieve the IRIs of such articles.

[Tool]
Got 1 row and 1 column:
| article       |
| ------------- |
| wd:Q102354418 |

[Tool] Got no rows and 1 columns

[Tool]
Got 1 row and 1 column:
| article       |
| ------------- |
| wd:Q102354418 |

[Tool] Got no rows and 1 columns

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves scholarly articles (wd:Q13442814) published in the journal Geosphere (wd:Q15817086) that do not have an English label. The query returns the actual IRIs of the items as required, and the logic for filtering out articles with an English label is implemented properly using FILTER NOT EXISTS. No further refinement is necessary.


PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
SELECT ?person ?elo ?dob ?date WHERE {
  ?person wdt:P569 ?dob .
  ?person p:P1087 ?eloStatement .
  ?eloStatement ps:P1087 ?elo .
  ?eloStatement pq:P585 ?date .
  FILTER ( YEAR( ?date ) = 2007 && MONTH( ?date ) = 4 ) .
  FILTER ( YEAR( ?dob ) = ?elo ) .
}

Alexandr Ponomarenko (wd:Q27580000) had an Elo rating of 1993 in April 2007, which matches his year of birth (1993). His date of birth is 1993-04-15.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
wikidata at https://qlever.cs.uni-freiburg.de/api/wikidata-sebastian

You can use the following SPARQL prefixes implicitly in all functions:
cc: <http://creativecommons.org/ns#
data: <https://www.wikidata.org/wiki/Special:EntityData/
dct: <http://purl.org/dc/terms/
geo: <http://www.opengis.net/ont/geosparql#
geof: <http://www.opengis.net/def/function/geosparql/
imdb: <https://www.imdb.com/
math: <http://www.w3.org/2005/xpath-functions/math#
ontolex: <http://www.w3.org/ns/lemon/ontolex#
owl: <http://www.w3.org/2002/07/owl#
p: <http://www.wikidata.org/prop/
pq: <http://www.wikidata.org/prop/qualifier/
pqn: <http://www.wikidata.org/prop/qualifier/value-normalized/
pqv: <http://www.wikidata.org/prop/qualifier/value/
pr: <http://www.wikidata.org/prop/reference/
prn: <http://www.wikidata.org/prop/reference/value-normalized/
prov: <http://www.w3.org/ns/prov#
prv: <http://www.wikidata.org/prop/reference/value/
ps: <http://www.wikidata.org/prop/statement/
psn: <http://www.wikidata.org/prop/statement/value-normalized/
psv: <http://www.wikidata.org/prop/statement/value/
qfn: <http://qlever.cs.uni-freiburg.de/function#
ql: <http://qlever.cs.uni-freiburg.de/builtin-functions/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
ref: <http://www.wikidata.org/reference/
s: <http://www.wikidata.org/entity/statement/
schema: <http://schema.org/
skos: <http://www.w3.org/2004/02/skos/core#
v: <http://www.wikidata.org/value/
wd: <http://www.wikidata.org/entity/
wdno: <http://www.wikidata.org/prop/novalue/
wdt: <http://www.wikidata.org/prop/direct/
wdtn: <http://www.wikidata.org/prop/direct-normalized/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
dc: <http://purl.org/dc/elements/1.1/
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] Which individuals had an Elo rating in April 2007 that is exactly their year of birth, and what were their Elo ratings and dates of birth?

[Assistant]
Let's break down the question:

1. We are looking for individuals (likely chess players) who had an Elo rating in April 2007.
2. Their Elo rating in that month should be exactly equal to their year of birth.
3. We need to retrieve their Elo rating (in April 2007) and their date of birth.

First, let's search for the property for "Elo rating" and see if there is a qualifier for the date (specifically April 2007).

[Tool]
Top 10 property alternatives:
1. Elo rating (wd:P1087 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): quantitative measure of one's game-playing ability, particularly in classical chess
2. review score, also known as rating (score), review rating (wd:P444 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): review score received by a creative work or other entity
3. rating (wd:P4271 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): qualifier to indicate a score given by the referenced source indicating the quality or completeness of the statement
4. number of reviews/ratings, also known as number of reviews, ratings, reviews, number of ratings (wd:P7887 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): qualifier on review score to state the number of user reviews, user ratings or critic reviews
5. dan/kyu rank, also known as go rank, wushu rank, shogi rank, renju rank, kendo rank (wd:P468 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): rank system used in several board games (e.g. go, shogi, renju), martial arts (e.g. judo, kendo, wushu) and some other games
6. ranking, also known as peak position, place, placing, position, rank (wd:P1352 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): subject's ordinal position as qualitatively evaluated relative to other members of a group
7. score method, also known as scoring system, score type, scoring metric, scoring method, score system (wd:P1443 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): qualifier of "points/goal scored by (P1363)"
8. league level above, also known as level above (league), promotion to (wd:P2499 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the league above this sports league, next higher rank
9. series ordinal, also known as ordinal, unit number, sort order, sorting order, series number (wd:P1545 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): position of an item in its parent series (most frequently a 1-ba...d from "ranking" defined as a property for evaluating a quality)
10. military or police rank, also known as military rank, naval rank, police rank, rank (wd:P410 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): military or police rank achieved by a person (should usually hav...ualifier), or military or police rank associated with a position

[Assistant]
The main property for Elo rating is `wd:P1087`. Now, we need to check if Elo ratings can be qualified by a date, specifically April 2007. This is likely done with a "point in time" qualifier.

Let's search for properties related to "point in time" or "date" that are used as qualifiers for Elo rating.

[Tool]
Top 10 property alternatives:
1. instance of, also known as unitary element of class, has type, unique individual of, type, item of type (wd:P31 as wdt/p): that class of which this subject is a particular example and mem...is a subclass of mountain (and an instance of volcanic landform)
2. property proposal discussion, also known as proposal, Wikidata property proposal, proposal URL, property discussion URL, property discussion (wd:P3254 as wdt/p): URL of the page (or page section) on which the creation of the property was discussed, Wikimedia community discussion URL
3. Wikidata item of this property, also known as associated item, Wikidata property subject item, Wikidata item for this property, subject of this property, subject of property (wd:P1629 as wdt/p): item corresponding to the concept represented by the property
4. Wikidata property example, also known as e.g., Wikidata property sample, property sample, property example, for example (wd:P1855 as wdt/p): example where this Wikidata property is used; target item is one...ualifier the property being described given the associated value
5. property constraint, also known as rdfs:range, constraint, rdfs:domain (wd:P2302 as wdt/p): constraint applicable to a Wikidata property
6. stability of property value, also known as variability of value, variability of property, stability of value, stability of property value, stability of property (wd:P2668 as wdt/p): likelihood that statements with this property will change

No other items found

[Tool]
Top 10 property alternatives:
1. point in time, also known as at time, as of, year, when, time of event (wd:P585 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date something took place, existed or a statement was true; for providing time use the "refine date" property (P4241)
2. valid in period, also known as valid in season, valid for season, valid for period, valid for, time period (wd:P1264 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time period when a statement is valid
3. set in period, also known as time period set in, time period of setting, time period, takes place in time, takes place during (wd:P2408 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): historical, contemporary, or future period, year, century or day...rk or genre is set in or event featured in the story of the work
4. time period, also known as oge (oge akụkọ ihe mere eme ma ọ...ụ mere ma ọ bụ nke ejikọtara ya. (wd:P2348 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time period (historic period or era, sports season, theatre seas...c.) in which the subject occurred or with which it is associated
5. start time, also known as start date, since, valid, join time, joined (wd:P580 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time an entity begins to exist or a statement starts being valid, point in time
6. date depicted, also known as depicted date, temporal coverage, shown as at date, depicts date, depicted time (wd:P2913 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date represented in a work (for narrative works use P2408)
7. term length of position, also known as term length, time in position, term of position, position term, length of term (wd:P2097 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): length of time in years (unit: Q577) a person (usually a politician) is to serve in a particular position. Do not add bounds., duration
8. history of topic, also known as history of the topic, timeline of subject, timeline of the subject, timeline of the topic, timeline of topic (wd:P2184 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): item about the historical development of a subject's topic, exam... To list key events of the topic, use "significant event" (P793), studied in
9. latest date, also known as terminus ante quem, prior to, on or before this date, no later than, max date (wd:P1326 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): latest possible time that something could have occurred. Use as qualifier for other date properties
10. recording date, also known as recorded date, record date, recdate, rec. date, date of recording (wd:P10135 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the date when a recording was made, inception

[Assistant]
The property for "point in time" is `wd:P585`, which is commonly used as a qualifier for time-specific statements like Elo ratings.

Now, let's check if Elo ratings for April 2007 exist in Wikidata by looking for Elo ratings with a point in time qualifier set to April 2007. If so, we can then match the Elo rating value to the year of birth of the individual.

Next, let's check the property for "date of birth" to use for retrieving the year of birth.

[Tool]
Top 10 property alternatives:
1. date of birth, also known as year of birth, birthdate, DOB, born on, born (wd:P569 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): date on which the subject was born, inception
2. place of birth, also known as POB, location of birth, location born, born in, birthplace (wd:P19 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): most specific known birth location of a person, animal or fictional character, location
3. birthday, also known as b-day, bday, birth day (wd:P3150 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): item for day and month on which the subject was born. Used when full "date of birth" (P569) isn't known., date of birth
4. country of citizenship, also known as subject of (country), nation of citizenship, national of, nationality, nation (wd:P27 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the object is a country that recognizes the subject as its citizen, country
5. commemorates, also known as monument to, memorial to, memorializes, marks, in memory of (wd:P547 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): what the place, monument, memorial, or holiday, commemorates, main subject
6. birth name, also known as née, name at birth, name before marriage, ne, né (wd:P1477 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): full name of a person at birth, if different from their current, generally used name, name
7. date of death, also known as DOD, deathdate, died, died on, year of death (wd:P570 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): dissolved, abolished or demolished date, date on which the subject died, end time
8. inception, also known as initial release date, founded in, founded on, founded on date, founding date (wd:P571 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): time when an entity begins to exist; for date of official opening use P1619, start time
9. website username or ID, also known as user name, website username, website ID, username in social media, username (wd:P554 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): username or identifier on a website that the person or movement ... account on, for use as qualifier of "website account on" (P553)
10. pseudonym, also known as nom de plume, nom-de-plume, nome de guerre, pen name, ring name (wd:P742 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): alias used by someone (for nickname use P1449), name

[Assistant]
The property for "date of birth" is `wd:P569`.

Now, to answer the question, we need to:
- Find individuals with an Elo rating (wd:P1087) that has a "point in time" (wd:P585) qualifier set to April 2007.
- Retrieve the Elo rating value and the individual's date of birth.
- Filter for cases where the Elo rating value is exactly equal to the year part of the date of birth.

Let's construct a SPARQL query to do this. We'll use the following:
- `?person wdt:P569 ?dob` for date of birth.
- `?person p:P1087 ?eloStatement` to get Elo rating statements.
- `?eloStatement ps:P1087 ?elo` for the Elo value.
- `?eloStatement pq:P585 ?date` for the point in time.
- Filter for `?date` in April 2007 and for `?elo` equal to the year of `?dob`.

Let's write the query.

[Tool]
Got 1 row and 4 columns:
| person                              | elo                | dob                                 | date                                |
| ----------------------------------- | ------------------ | ----------------------------------- | ----------------------------------- |
| Alexandr Ponomarenko (wd:Q27580000) | 1993 (xsd:decimal) | 1993-04-15T00:00:00Z (xsd:dateTime) | 2007-04-01T00:00:00Z (xsd:dateTime) |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves individuals whose Elo rating in April 2007 matches the year of their birth, along with their Elo rating and date of birth. The query returns the required IRIs and does not use any non-standard constructs. The answer is accurate and complete according to the query result.


PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT DISTINCT ?unit WHERE {
  ?unit wdt:P31 wd:Q3550897 ; wdt:P131 wd:Q816 .
}

Wikidata currently does not have lithostratigraphic units explicitly linked to Arizona using any of the standard location properties (country, located in the administrative territorial entity, location, or present-day administrative territorial entity). The available lithostratigraphic units are linked to other states such as California and Colorado. Therefore, it is not possible to construct a SPARQL query that returns lithostratigraphic units located in Arizona, their parts, parent units, and Geolex IDs from Wikidata at this time.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
wikidata at https://qlever.cs.uni-freiburg.de/api/wikidata-sebastian

You can use the following SPARQL prefixes implicitly in all functions:
cc: <http://creativecommons.org/ns#
data: <https://www.wikidata.org/wiki/Special:EntityData/
dct: <http://purl.org/dc/terms/
geo: <http://www.opengis.net/ont/geosparql#
geof: <http://www.opengis.net/def/function/geosparql/
imdb: <https://www.imdb.com/
math: <http://www.w3.org/2005/xpath-functions/math#
ontolex: <http://www.w3.org/ns/lemon/ontolex#
owl: <http://www.w3.org/2002/07/owl#
p: <http://www.wikidata.org/prop/
pq: <http://www.wikidata.org/prop/qualifier/
pqn: <http://www.wikidata.org/prop/qualifier/value-normalized/
pqv: <http://www.wikidata.org/prop/qualifier/value/
pr: <http://www.wikidata.org/prop/reference/
prn: <http://www.wikidata.org/prop/reference/value-normalized/
prov: <http://www.w3.org/ns/prov#
prv: <http://www.wikidata.org/prop/reference/value/
ps: <http://www.wikidata.org/prop/statement/
psn: <http://www.wikidata.org/prop/statement/value-normalized/
psv: <http://www.wikidata.org/prop/statement/value/
qfn: <http://qlever.cs.uni-freiburg.de/function#
ql: <http://qlever.cs.uni-freiburg.de/builtin-functions/
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
ref: <http://www.wikidata.org/reference/
s: <http://www.wikidata.org/entity/statement/
schema: <http://schema.org/
skos: <http://www.w3.org/2004/02/skos/core#
v: <http://www.wikidata.org/value/
wd: <http://www.wikidata.org/entity/
wdno: <http://www.wikidata.org/prop/novalue/
wdt: <http://www.wikidata.org/prop/direct/
wdtn: <http://www.wikidata.org/prop/direct-normalized/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
dc: <http://purl.org/dc/elements/1.1/
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Use the functions to search for entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
4. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
5. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] What are the distinct lithostratigraphic units located in Arizona? Please include any parts they have (if available, the larger units they are part of (if available), and their Geolex IDs (if available).

[Assistant]
Let's break down the question:

1. We need to find all lithostratigraphic units (geological units based on rock type) that are located in Arizona.
2. For each unit, we should include:
   - Any parts they have (sub-units).
   - Any larger units they are part of.
   - Their Geolex IDs (if available).

First, I will search for the entity representing "Arizona" and "lithostratigraphic unit" in Wikidata to identify their QIDs. Then, I will look for relevant properties: location, has part, part of, and Geolex ID.

Let's start by searching for "Arizona".

[Tool]
Top 10 entity alternatives:
1. Arizona, also known as Ariz., US-AZ, The Grand Canyon State, State of Arizona, Grand Canyon State (wd:Q816): state of the United States of America
2. Arizona, also known as Ariz., Arizona, United States, AZ, US-AZ, Grand Canyon State (wd:Q816): state of the United States of America
3. University of Arizona, also known as Arizona, UofA, U of A, Univ. of Az, Univ. of Arizona (wd:Q503419): public university in Tucson, Arizona, United States
4. Arizona (wd:Q2254748): municipality in Atlántida Department, Honduras
5. Arizona (wd:Q670059): 1940 film by Wesley Ruggles
6. Arizona (wd:Q634389): 1918 silent film drama
7. Arizona (wd:Q2861452): 1913 film by Augustus Thomas
8. Arizona, also known as Glossy snake (wd:Q14089080): genus of reptiles
9. Arizona (wd:Q4791227): municipality and village in San Luis, Argentina
10. Arizona, also known as Men Are Like That (wd:Q3196815): 1931 film by George B. Seitz

[Assistant]
The correct entity for the state of Arizona is wd:Q816.

Next, I will search for "lithostratigraphic unit" to find the relevant entity for this geological concept.

[Tool]
Top 10 entity alternatives:
1. lithostratigraphic unit, also known as rock unit (wd:Q3550897): geologic unit denoting a specific body of rock based on its lithologic or stratigraphic characteristics
2. former lithostratigraphic unit (wd:Q109902873): lithostratigraphic unit that has been superseded by a different unit
3. sedimentary lithostratigraphic unit (wd:Q28021934)
4. 1, also known as unity, ١, unit one, unit, one (wd:Q199): natural number
5. unit of measurement, also known as measurement unit, unit, unit of measure (wd:Q47574): real scalar quantity, defined and adopted by convention, with wh...red to express the ratio of the two quantities as a number (VIM)
6. unit of measurement, also known as measurement unit, unit, unit of measure (wd:Q47574): real scalar quantity, defined and adopted by convention, with wh...red to express the ratio of the two quantities as a number (VIM)
7. apartment, also known as dwelling, flat, flats, unit (wd:Q188507): self-contained housing unit occupying part of a building
8. lithostratigraphy, also known as lithostratigraphic, lithostratigraphical (wd:Q856124): method of establishing stratigraphical units
9. division, also known as organizational branch, unit of an organization, unit, section of an organization, section (wd:Q334453): distinct and large part of an organization
10. unit, also known as invertible element (wd:Q118084): in mathematics, an invertible element or a unit in a ring R

[Assistant]
The correct entity for lithostratigraphic unit is wd:Q3550897.

Now, I need to find the properties that relate a lithostratigraphic unit to:
- Its location (to filter for Arizona)
- Its parts (sub-units)
- The larger unit it is part of
- Its Geolex ID

I'll start by searching for properties related to "location" to find which property links a lithostratigraphic unit to Arizona.

[Tool]
Top 10 property alternatives:
1. work location, also known as work place, working from, working at, worked from, worked at (wd:P937 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): location where persons or organisations were actively participating in employment, business or other work, significant place, location
2. location, also known as neighbourhood, whereabouts, vilage, venue, town (wd:P276 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): location of the object, structure or event. In the case of an ad...ity use P706. Use P7153 for locations associated with the object
3. coordinate location, also known as point on a map, gps coordinates, gps location, latitude, location (wd:P625 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): geocoordinates of the subject. For Earth, please note that only WGS84 coordinating system is supported at the moment
4. occupant, also known as tenant, resident, renter, occupiers, lessee (wd:P466 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): person or organization occupying property, used by
5. recorded at studio or venue, also known as venue, studio, recording venue, recording studio, recorded at event (wd:P483 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): studio or location where a musical composition/release was recorded, recording location
6. home venue, also known as home water, venue, stadium, home ground, home field (wd:P115 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): home stadium or venue of a sports team or applicable performing arts organization, location
7. published in, also known as song on album, tome of the book, tome of, track of, track on (wd:P1433 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): larger work that a given work was published in, like a book, journal or music album, part of
8. located in the present-day administrative territorial entity, also known as present-day administrative territorial entity, located in the current administrative territorial entity, located in the modern-day administrative territorial entity, located in the present-day administrative territorial entity, would today be located in administrative territorial entity (wd:P3842 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the item was located in the territory of this present-day administrative unit; however the two did not at any point coexist in time, location, part of
9. directions, also known as locality or place (wd:P2795 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): describe how to find the subject - directions, objects along way, comments
10. ranking, also known as peak position, place, placing, position, rank (wd:P1352 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): subject's ordinal position as qualitatively evaluated relative to other members of a group

[Assistant]
The most general property for location is wd:P276 ("location"). There is also wd:P3842 ("located in the present-day administrative territorial entity"), which may be more precise for geological units, as it refers to present-day administrative boundaries like Arizona.

Next, I will search for properties related to "part of" and "has part" to find how to represent sub-units and parent units.

[Tool]
Top 10 property alternatives:
1. part of, also known as of, within, system of, subsystem of, subgroup of (wd:P361 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): object of which the subject is a part (if this subject is alread... of "has part" (P527, see also "has parts of the class" (P2670))
2. parent organization, also known as parent company, parent institution, parent organisation, parent unit, part of (wd:P749 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): parent organization of an organization, opposite of subsidiaries (P355), owned by, part of
3. applies to part, also known as when viewed as, valid for part, section, region, per (wd:P518 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): part, aspect, or form of the item to which the claim applies
4. partially coincident with, also known as intersecting with, has overlap with, has common parts with, has common members with, has common instances with (wd:P1382 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): object that partially overlaps with the subject in its instances, parts, or members, different from
5. proportion, also known as %, share, ratio, part, percent (wd:P1107 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): to be used as a qualifier, value must be between 0 and 1
6. has part(s), also known as has component, incorporates, has ingredient, has ingredients, has member (wd:P527 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): part of this subject; inverse property of "part of" (P361). See also "has parts of the class" (P2670).
7. located in the present-day administrative territorial entity, also known as present-day administrative territorial entity, located in the current administrative territorial entity, located in the modern-day administrative territorial entity, located in the present-day administrative territorial entity, would today be located in administrative territorial entity (wd:P3842 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the item was located in the territory of this present-day administrative unit; however the two did not at any point coexist in time, location, part of
8. depicted part, also known as part depicted, part shown, shown part (wd:P5961 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): use as qualifier for "depicts" (P180)
9. based on, also known as modelled after, inspired by, iteration of, modeled after, fork of (wd:P144 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): the work(s) or inputs used as the basis for subject item; for fictional analog use P1074, references work, tradition or theory, inspired by
10. territory overlaps, also known as partially overlaps, partially coincident with, partly coincident with, partly located in territorial entity, partly overlaps (wd:P3179 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): part or all of the area associated with (this) entity overlaps part or all of the area associated with that entity, partially coincident with

[Assistant]
The relevant properties are:
- wd:P361 ("part of") for the parent unit.
- wd:P527 ("has part(s)") for sub-units.

Now, I will search for the property "Geolex ID" to find the correct property for this identifier.

[Tool]
Top 10 property alternatives:
1. Geolex ID, also known as GEOLEX ID, Geolex identifier (wd:P6202 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): ID for every stratigraphic unit in the United States of America (USA) given by the United States Geological Survey
2. GeoLOD ID, also known as GeoLOD identifier (wd:P12170 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier for a place in Japan
3. GeolISSTerm ID, also known as Geološka terminologija i nomenklatura ID, Geološki Informacioni Sistem Srb...logija i nomenklatura identifier, Geološki Informacioni Sistem Srb... terminologija i nomenklatura ID, Geološka terminologija i nomenklatura identifier, Geological Terminology and Nomenclature identifier (wd:P10748 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier for a term in the GeolISSTerm terminology dictionary
4. GeoNames ID, also known as GeoNames, Geonames Id (wd:P1566 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier in the GeoNames geographical database
5. GeoSciML ID (wd:P10727 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): Geoscience Vocabularies for Linked Data
6. Géopatronyme ID, also known as Geopatronyme ID (wd:P3370 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier of a family name in the Géopatronyme database
7. Indo-European Lexicon ID, also known as IELEX ID (wd:P13192 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): entry in the University of Texas at Austin’s Indo-European Lexicon
8. GNIS Feature ID, also known as GNIS ID, USGS GNIS ID, Geographic Names Information System ID (wd:P590 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier for geographic objects in the United States issued by the USGS. For Antarctica, use Property:P804
9. Interlex ID, also known as Neurolex ID (wd:P696 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier in the Interlex database (used to be Neurolex)
10. ÖCV Biolex ID, also known as Biographische Lexikon ID, Biolex ID, ÖCV Biographisches Lexikon ID, OCV Biolex ID, Österreichischer Cartellverband Biographisches Lexikon ID (wd:P9415 as pqv/wdt/p/prn/pr/prv/psv/ps/wdtn/pqn/psn/pq): identifier for a person in the ÖCV Biolex biographical dictionary

[Assistant]
The correct property for Geolex ID is wd:P6202.

Now, I will summarize the entities and properties needed:
- Lithostratigraphic unit: wd:Q3550897
- Arizona: wd:Q816
- Located in present-day administrative territorial entity: wd:P3842 (preferred for geological units)
- Has part(s): wd:P527
- Part of: wd:P361
- Geolex ID: wd:P6202

Next, I will construct a SPARQL query to find all distinct lithostratigraphic units (wd:Q3550897) located in Arizona (wd:Q816), and for each, optionally retrieve their parts, parent unit, and Geolex ID.

I will start with a basic query to get lithostratigraphic units located in Arizona.

[Tool] Got no rows and 1 columns

[Assistant]
It appears that there are no results for lithostratigraphic units (wd:Q3550897) with the property "located in present-day administrative territorial entity" (wd:P3842) set to Arizona (wd:Q816). It's possible that the property used for location is instead "location" (wd:P276), or that the data is modeled differently.

I will try using the more general "location" property (wd:P276) to see if any lithostratigraphic units are linked to Arizona that way.

[Tool] Got no rows and 1 columns

[Assistant]
There are still no results using the general "location" property (wd:P276). It's possible that lithostratigraphic units are not directly linked to Arizona, or that a different property or modeling approach is used.

Another possibility is that lithostratigraphic units are linked to Arizona via "located in the administrative territorial entity" (wd:P131), which is commonly used for location in Wikidata. I will try this property next.

[Tool] Got no rows and 1 columns

[Assistant]
Still no results. This suggests that lithostratigraphic units may not be directly linked to Arizona in Wikidata, or the data coverage is limited.

To check if there are any lithostratigraphic units in Wikidata at all, I will run a query to list a few items of type wd:Q3550897 (lithostratigraphic unit), regardless of location. This will help verify if the class is used and how location might be modeled.

[Tool]
Got 20 rows and 1 column, showing the first 5 and last 5 rows below:
| unit                                 |
| ------------------------------------ |
| Apex Chert (wd:Q10854294)            |
| Blue Granite (wd:Q110715941)         |
| Composite Gneiss (wd:Q110715947)     |
| Alpha Granite (wd:Q110716003)        |
| Tropico Group (wd:Q123519690)        |
| ...                                  |
| Mammoth Mountain unit (wd:Q61507670) |
| Outlet Tunnel unit (wd:Q61507845)    |
| Shallow Creek unit (wd:Q61509083)    |
| Willow Creek zone (wd:Q61509201)     |
| Windy Gulch zone (wd:Q61509323)      |

[Assistant]
There are lithostratigraphic units in Wikidata, such as "Apex Chert" (wd:Q10854294) and "Alpha Granite" (wd:Q110716003). Since location properties did not yield results, it's possible that location is modeled differently, perhaps with qualifiers or not at all.

To investigate further, I will look at all properties used for one of these units (e.g., "Apex Chert") to see if any property links it to a location or region.

[Tool]
Got 34 rows and 3 columns, showing the first 10 rows below:
| subject                   | property                                                    | object                                          |
| ------------------------- | ----------------------------------------------------------- | ----------------------------------------------- |
| Apex Chert (wd:Q10854294) | instance of (wdt:P31)                                       | lithostratigraphic unit (wd:Q3550897)           |
| Apex Chert (wd:Q10854294) | country (wdt:P17)                                           | Australia (wd:Q408)                             |
| Apex Chert (wd:Q10854294) | located in the administrative territorial entity (wdt:P131) | Pilbara (wd:Q1362696)                           |
| Apex Chert (wd:Q10854294) | coordinate location (wdt:P625)                              | POINT(119.684722 -21.175000) (geo:wktLiteral)   |
| Apex Chert (wd:Q10854294) | Australian Stratigraphic Units Database ID (wdt:P2367)      | 35693                                           |
| Apex Chert (wd:Q10854294) | wdt:P31279                                                  | geological site (wd:Q10376531)                  |
| Apex Chert (wd:Q10854294) | schema:description                                          | naleziště mikrofosílií v Západní Austrálii (cs) |
| Apex Chert (wd:Q10854294) | schema:name                                                 | Apex Chert (ca)                                 |
| Apex Chert (wd:Q10854294) | rdf:type                                                    | wikibase:Item                                   |
| Apex Chert (wd:Q10854294) | rdfs:label                                                  | Apex Chert (ca)                                 |
| ...                       | ...                                                         | ...                                             |

[Assistant]
For "Apex Chert", the properties used for location are:
- country (wdt:P17)
- located in the administrative territorial entity (wdt:P131)
- coordinate location (wdt:P625)

Since "country" and "located in the administrative territorial entity" are used, and "Apex Chert" is in Australia, I will now search for lithostratigraphic units with "country" (wdt:P17) set to United States (wd:Q30), and then further filter for those in Arizona (wd:Q816) via "located in the administrative territorial entity" (wdt:P131).

Let's first check for lithostratigraphic units in the United States.

[Tool]
Got 9 rows and 1 column:
| unit                                  |
| ------------------------------------- |
| Tropico Group (wd:Q123519690)         |
| Bissell Formation (wd:Q123519770)     |
| Gem Hill Formation (wd:Q123520088)    |
| Campbell Mountain zone (wd:Q61507332) |
| Mammoth Mountain unit (wd:Q61507670)  |
| Outlet Tunnel unit (wd:Q61507845)     |
| Shallow Creek unit (wd:Q61509083)     |
| Willow Creek zone (wd:Q61509201)      |
| Windy Gulch zone (wd:Q61509323)       |

[Assistant]
There are a few lithostratigraphic units in the United States in Wikidata. Now, I will check if any of these are located in Arizona by checking their "located in the administrative territorial entity" (wdt:P131) property.

I'll start by listing all properties for "Tropico Group" (wd:Q123519690) to see if it is linked to Arizona or any other administrative region.

[Tool]
Got 28 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                                                    | object                                              |
| ----------------------------- | ----------------------------------------------------------- | --------------------------------------------------- |
| Tropico Group (wd:Q123519690) | instance of (wdt:P31)                                       | group (wd:Q824979)                                  |
| Tropico Group (wd:Q123519690) | country (wdt:P17)                                           | United States (wd:Q30)                              |
| Tropico Group (wd:Q123519690) | located in the administrative territorial entity (wdt:P131) | California (wd:Q99)                                 |
| Tropico Group (wd:Q123519690) | has part(s) (wdt:P527)                                      | Kramer Beds Formation (wd:Q18154103)                |
| Tropico Group (wd:Q123519690) | time period (wdt:P2348)                                     | Miocene (wd:Q76267)                                 |
| Tropico Group (wd:Q123519690) | Geolex ID (wdt:P6202)                                       | Tropico_12135                                       |
| Tropico Group (wd:Q123519690) | wdt:P31279                                                  | stratigraphic unit (wd:Q3694119)                    |
| Tropico Group (wd:Q123519690) | schema:description                                          | lithostratigraphic unit in the California, USA (en) |
| Tropico Group (wd:Q123519690) | schema:name                                                 | Tropico Group (en)                                  |
| Tropico Group (wd:Q123519690) | rdf:type                                                    | wikibase:Item                                       |
| ...                           | ...                                                         | ...                                                 |

[Assistant] The "Tropico Group" is located in California, not Arizona. I will check the next unit, "Bissell Formation" (wd:Q123519770), for its administrative location.

[Tool]
Got 20 rows and 3 columns, showing the first 10 rows below:
| subject                           | property                                                    | object                                              |
| --------------------------------- | ----------------------------------------------------------- | --------------------------------------------------- |
| Bissell Formation (wd:Q123519770) | instance of (wdt:P31)                                       | geological formation (wd:Q736917)                   |
| Bissell Formation (wd:Q123519770) | country (wdt:P17)                                           | United States (wd:Q30)                              |
| Bissell Formation (wd:Q123519770) | located in the administrative territorial entity (wdt:P131) | California (wd:Q99)                                 |
| Bissell Formation (wd:Q123519770) | part of (wdt:P361)                                          | Tropico Group (wd:Q123519690)                       |
| Bissell Formation (wd:Q123519770) | time period (wdt:P2348)                                     | Tertiary (wd:Q188645)                               |
| Bissell Formation (wd:Q123519770) | Geolex ID (wdt:P6202)                                       | Bissell_4759                                        |
| Bissell Formation (wd:Q123519770) | wdt:P31279                                                  | geological formation (wd:Q736917)                   |
| Bissell Formation (wd:Q123519770) | schema:description                                          | lithostratigraphic unit in the California, USA (en) |
| Bissell Formation (wd:Q123519770) | schema:name                                                 | Bissell Formation (en)                              |
| Bissell Formation (wd:Q123519770) | rdf:type                                                    | wikibase:Item                                       |
| ...                               | ...                                                         | ...                                                 |

[Assistant] The "Bissell Formation" is also located in California. I will check the next unit, "Gem Hill Formation" (wd:Q123520088), for its administrative location.

[Tool]
Got 20 rows and 3 columns, showing the first 10 rows below:
| subject                            | property                                                    | object                                              |
| ---------------------------------- | ----------------------------------------------------------- | --------------------------------------------------- |
| Gem Hill Formation (wd:Q123520088) | instance of (wdt:P31)                                       | geological formation (wd:Q736917)                   |
| Gem Hill Formation (wd:Q123520088) | country (wdt:P17)                                           | United States (wd:Q30)                              |
| Gem Hill Formation (wd:Q123520088) | located in the administrative territorial entity (wdt:P131) | California (wd:Q99)                                 |
| Gem Hill Formation (wd:Q123520088) | part of (wdt:P361)                                          | Tropico Group (wd:Q123519690)                       |
| Gem Hill Formation (wd:Q123520088) | time period (wdt:P2348)                                     | Tertiary (wd:Q188645)                               |
| Gem Hill Formation (wd:Q123520088) | Geolex ID (wdt:P6202)                                       | GemHill_5395                                        |
| Gem Hill Formation (wd:Q123520088) | wdt:P31279                                                  | geological formation (wd:Q736917)                   |
| Gem Hill Formation (wd:Q123520088) | schema:description                                          | lithostratigraphic unit in the California, USA (en) |
| Gem Hill Formation (wd:Q123520088) | schema:name                                                 | Gem Hill Formation (en)                             |
| Gem Hill Formation (wd:Q123520088) | rdf:type                                                    | wikibase:Item                                       |
| ...                                | ...                                                         | ...                                                 |

[Assistant]
The "Gem Hill Formation" is also located in California. It appears that the available lithostratigraphic units in Wikidata are not linked to Arizona, but rather to California.

Given the pattern, I will check one more unit, "Campbell Mountain zone" (wd:Q61507332), to see if it is linked to Arizona.

[Tool]
Got 18 rows and 3 columns, showing the first 10 rows below:
| subject                               | property                                                    | object                                                                   |
| ------------------------------------- | ----------------------------------------------------------- | ------------------------------------------------------------------------ |
| Campbell Mountain zone (wd:Q61507332) | instance of (wdt:P31)                                       | lithostratigraphic unit (wd:Q3550897)                                    |
| Campbell Mountain zone (wd:Q61507332) | country (wdt:P17)                                           | United States (wd:Q30)                                                   |
| Campbell Mountain zone (wd:Q61507332) | located in the administrative territorial entity (wdt:P131) | Colorado (wd:Q1261)                                                      |
| Campbell Mountain zone (wd:Q61507332) | part of (wdt:P361)                                          | Bachelor Mountain Member (wd:Q61507059)                                  |
| Campbell Mountain zone (wd:Q61507332) | described at URL (wdt:P973)                                 | <https://ngmdb.usgs.gov/Geolex/UnitRefs/CampbellMountainRefs_6932.html>  |
| Campbell Mountain zone (wd:Q61507332) | Geolex ID (wdt:P6202)                                       | CampbellMountain_6932                                                    |
| Campbell Mountain zone (wd:Q61507332) | wdt:P31279                                                  | stratigraphic unit (wd:Q3694119)                                         |
| Campbell Mountain zone (wd:Q61507332) | schema:description                                          | lithostratigraphic unit, informa...n Member of Carpenter Ridge Tuff (en) |
| Campbell Mountain zone (wd:Q61507332) | schema:name                                                 | Campbell Mountain zone (en)                                              |
| Campbell Mountain zone (wd:Q61507332) | rdf:type                                                    | wikibase:Item                                                            |
| ...                                   | ...                                                         | ...                                                                      |

[Assistant]
The "Campbell Mountain zone" is located in Colorado. Based on this sampling, it appears that Wikidata currently does not have lithostratigraphic units explicitly linked to Arizona.

Given the lack of data, I cannot provide a SPARQL query that will return lithostratigraphic units located in Arizona along with their parts, parent units, and Geolex IDs from Wikidata at this time.

I will cancel and explain the situation.

[Tool] Stopped generation process

[User]
Feedback (status=done):
The explanation is correct and complete. The SPARQL query attempts to find lithostratigraphic units located in Arizona using the appropriate instance and location properties. The lack of results is due to Wikidata not having lithostratigraphic units explicitly linked to Arizona. The system correctly explains the limitation and does not attempt to fabricate an answer. No further refinement is possible given the current state of the data.