Question: When the capital of North Korea had a population of 4138187?
Choices:
1765-01-01
2017-08-31
2015-01-22
2010
2018-01-09
2005-04-20
1806-12-01
1986
2016-06-02
30000000
Answer: 2010
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <capital_of> ?e_1 . ?e_1 <pred:name> "North Korea" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "4138187"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: North Korea
function: Relate
dependencies: 0
inputs: capital of
backward
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttrQualifier
dependencies: 2
inputs: population
4138187
point in time