Question: When did Lucerne have an area of 29.1 square kilometre?
Choices: 1995
1996-01-24
2011-12-21
1830
1979-01-01
2007-01-01
2012-11-07
2017-09-05
1520
1632
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Lucerne" . ?e <area> ?pv . ?pv <pred:unit> "square kilometre" . ?pv <pred:value> "29.1"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <area> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Lucerne
function: QueryAttrQualifier
dependencies: 0
inputs: area
29.1 square kilometre
point in time
Answer: 2007-01-01