Question: At what point in time is 2236086 the population of the California county that is named after Riverside?
Choices: 2011-07-01
1974-12-01
1960-02-15
2016-12-22
1987-07-07
1975-05-01
2013-05-01
1998-12-23
1985-10-01
1844
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of California" . ?e <named_after> ?e_1 . ?e_1 <pred:name> "Riverside" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2236086"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Riverside
function: Relate
dependencies: 0
inputs: named after
backward
function: FilterConcept
dependencies: 1
inputs: county of California
function: QueryAttrQualifier
dependencies: 2
inputs: population
2236086
point in time
Answer: 2011-07-01