Question: When did Cairo (the one whose population is 313400) become the twinned administrative body of Amman?
Choices: 2017-01-30
1997-10-16
1720
1971-03-26
1988-01-01
1804-04-01
2012-03-09
1997-07-27
1990-07-12
1958-02-23
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Cairo" . ?e_1 <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "313400"^^xsd:double . ?e_2 <pred:name> "Amman" . ?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: Cairo
function: FilterNum
dependencies: 0
inputs: population
313400
=
function: Find
inputs: Amman
function: QueryRelationQualifier
dependencies: 1
2
inputs: twinned administrative body
start time
Answer: 1988-01-01