Question: When did a city in Slovenia (since 25th June 1991) stopped using Лайбах as the official name ?
Choices:
1971-01-01
1946-07-05
2011-12-27
1945-04-18
2005-11-06
1797-05-11
1946-07-27
1918
1949
2016-04-07
Answer: 1918
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <country> ?e_1 . ?e_1 <pred:name> "Slovenia" . [ <pred:fact_h> ?e ; <pred:fact_r> <country> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv_1 . ?qpv_1 <pred:date> "1991-06-25"^^xsd:date . ?e <official_name> ?pv . ?pv <pred:value> "Лайбах" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Slovenia
function: Relate
dependencies: 0
inputs: country
backward
function: QFilterDate
dependencies: 1
inputs: start time
1991-06-25
=
function: FilterConcept
dependencies: 2
inputs: city
function: QueryAttrQualifier
dependencies: 3
inputs: official name
Лайбах
end time