Question: When did the big city whose demonym is Leuvenaar have a population of 855900?
Choices:
1944-10-21
1821
1994-03-15
2012-02-08
-150
2007-03-01
1964-12-01
2017-03-31
1705
2017-01-01
Answer: 2017-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e <demonym> ?pv_1 . ?pv_1 <pred:value> "Leuvenaar" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "100291"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: demonym
Leuvenaar
function: FilterConcept
dependencies: 1
inputs: big city
function: QueryAttrQualifier
dependencies: 2
inputs: population
100291
point in time