Question: When did the city 209 meters above sea level have a population size of 510602?
Choices:
1980-04-01
2015-01-22
1808-01-01
1770
2005-04-01
2011-12-31
1930-12-31
1960-01-01
2010-02-03
1919-12-01
Answer: 2011-12-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <elevation_above_sea_level> ?pv_1 . ?pv_1 <pred:unit> "metre" . ?pv_1 <pred:value> "209"^^xsd:double . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "510602"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: elevation above sea level
209 metre
=
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttrQualifier
dependencies: 2
inputs: population
510602
point in time