Question: When did Shanghai (the one that is the twinned administrative body of Montreal) become the twinned administrative body of Karachi?
Choices: 2013-06-12
1971-03-26
1993-10-07
1823-03-04
1928
1949-12-07
1997-02-20
2015-09-22
2011-12-28
1984-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Shanghai" . ?e_3 <twinned_administrative_body> ?e_1 . ?e_3 <pred:name> "Montreal" . ?e_2 <pred:name> "Karachi" . ?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: Montreal
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: Find
inputs: Shanghai
function: And
dependencies: 1
2
function: Find
inputs: Karachi
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
Answer: 1984-01-01