Question: Since when has the Sarajevo (the one whose native label is Сарајево) been the twinned administrative body of Stockholm?
Choices: 1999-01-31
1978-09-11
1997
1244
1993-09-16
1841-03-04
1963-12-13
1822
1945-01-20
1581-07-16
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Sarajevo" . ?e_1 <native_label> ?pv . ?pv <pred:value> "Сарајево" . ?e_2 <pred:name> "Stockholm" . ?e_1 <twinned_administrative_body> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <twinned_administrative_body> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Sarajevo
function: FilterStr
dependencies: 0
inputs: native label
Сарајево
function: Find
inputs: Stockholm
function: QueryRelationQualifier
dependencies: 1
2
inputs: twinned administrative body
start time
Answer: 1997