Question: When did the capital twinned to Wuhan record a population of 27200?
Choices:
1957
1700-01-01
1997-06-18
2006-07-14
2012-09-05
2001-06-20
1909-01-01
1806-01-01
2018-02-03
2017-08-31
Answer: 1806-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "capital" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Wuhan" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "27200"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Wuhan
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: FilterConcept
dependencies: 1
inputs: capital
function: QueryAttrQualifier
dependencies: 2
inputs: population
27200
point in time