Question: When did Nagano Prefecture become the twinned administrative body of Hebei?
Choices: 1988-02-15
1997-09-16
1971-12-03
1988-05-08
1983-11-11
2006-06-05
1834-01-01
1953-01-01
1958-06-15
1694-07-27
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Nagano Prefecture" . ?e_2 <pred:name> "Hebei" . ?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: Nagano Prefecture
function: Find
inputs: Hebei
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
Answer: 1983-11-11