Question: When did Dakar (the one that is the twinned administrative body of Isfahan) become a twinned administrative body of Taipei?
Choices:
1687
1871-01-17
2016-06-21
2005-12-12
1979-04-07
1960-08-25
2009-12-29
1997-01-01
1803-05-18
2005-08-28
Answer: 1997-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Dakar" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Isfahan" . ?e_2 <pred:name> "Taipei" . ?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: Isfahan
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Dakar
function: And
dependencies: 1
2
function: Find
inputs: Taipei
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time