Question: When did the unitary state named after Trinidad have a population of 1267980?
Choices: 1813-01-01
1897
1910
2006-02-15
2000
1999-12-01
1990-12-31
1999-01-27
1947-10-01
1994
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "unitary state" . ?e <named_after> ?e_1 . ?e_1 <pred:name> "Trinidad" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "1267980"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Trinidad
function: Relate
dependencies: 0
inputs: named after
backward
function: FilterConcept
dependencies: 1
inputs: unitary state
function: QueryAttrQualifier
dependencies: 2
inputs: population
1267980
point in time
Answer: 2000