Question: When Duisburg had a population of 514915?
Choices:
2005-12-31
1553-01-01
2000-12-31
1813-12-01
1812
2002
1965-10-01
2015-09-20
2004
1700
Answer: 2000-12-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Duisburg" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "514915"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Duisburg
function: QueryAttrQualifier
dependencies: 0
inputs: population
514915
point in time