Question: When did the university whose headquarters location is Tartu (in the country of Estonia) stop having the official name Юрьевский университет?
Choices: 2002-02-24
1983-03-01
1987
1946-01-01
1918
1945-03-27
1878-07-12
1929
1921-03-04
1925
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "university" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Tartu" . [ <pred:fact_h> ?e ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e_1 ] <country> ?qpv_1 . ?qpv_1 <pred:value> "Estonia" . ?e <official_name> ?pv . ?pv <pred:value> "Юрьевский университет" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Tartu
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: QFilterStr
dependencies: 1
inputs: country
Estonia
function: FilterConcept
dependencies: 2
inputs: university
function: QueryAttrQualifier
dependencies: 3
inputs: official name
Юрьевский университет
end time
Answer: 1918