Question: When did Milan whose postal code is 20149 become the twinned administrative body of Ōsaka?
Choices: 1920-05-07
1779-02-20
1991-05-15
1661
2002-08-01
1918-03-12
1989-09-09
1981-04-10
1912-11-20
1949-05-24
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Milan" . ?e_1 <postal_code> ?pv . ?pv <pred:value> "20149" . ?e_2 <pred:name> "Ōsaka" . ?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: Milan
function: FilterStr
dependencies: 0
inputs: postal code
20149
function: Find
inputs: Ōsaka
function: QueryRelationQualifier
dependencies: 1
2
inputs: twinned administrative body
start time
Answer: 1981-04-10