Question: When did Costa Rica had a population of 3750585?
Choices: 1350-01-01
2016-02-29
1839-01-01
1971
1250-01-01
1998
2004-04-01
2012-01-15
2018-10-01
1755-12-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <country> ?e . ?e_1 <pred:name> "Costa Rica" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "3750585"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Costa Rica
function: Relate
dependencies: 0
inputs: country
forward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: QueryAttrQualifier
dependencies: 2
inputs: population
3750585
point in time
Answer: 1998