Question: At what point in time was the population of Perth Amboy equal to 50814?
Choices:
1900
1968-12-01
2010-01-01
900
1997-11-19
1869
2007-12-17
1957-01-01
1867-12-01
2255
Answer: 2010-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Perth Amboy" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "50814"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Perth Amboy
function: QueryAttrQualifier
dependencies: 0
inputs: population
50814
point in time