Question: For the Netherlands municipality which contains settlement Rotterdam (the one whose official name is Rotterdam), at what time point is its number of households 305742?
Choices: 1989-12-01
2010-07-01
2012-06-10
2010-01-01
1998
1996-07-03
1400
1769
1764-01-01
2005-03-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "municipality of the Netherlands" . ?e <contains_settlement> ?e_1 . ?e_1 <pred:name> "Rotterdam" . ?e_1 <official_name> ?pv_1 . ?pv_1 <pred:value> "Rotterdam" . ?e <number_of_households> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "305742"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <number_of_households> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Rotterdam
function: FilterStr
dependencies: 0
inputs: official name
Rotterdam
function: Relate
dependencies: 1
inputs: contains settlement
backward
function: FilterConcept
dependencies: 2
inputs: municipality of the Netherlands
function: QueryAttrQualifier
dependencies: 3
inputs: number of households
305742
point in time
Answer: 2010-01-01