Question: When did the twinned administrative body of Ljubljana, Sarajevo, become the twin of Zagreb?
Choices: 1904-05-31
1964
1992-07-31
2017-11-23
1945-11-29
1122
2001
2017-09-22
1946-08-22
2008-03-06
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Sarajevo" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Ljubljana" . ?e_2 <pred:name> "Zagreb" . ?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: Ljubljana
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Sarajevo
function: And
dependencies: 1
2
function: Find
inputs: Zagreb
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
Answer: 2001