Question: For the California county that has the capital Riverside, what is the time point of its population of 2264879?
Choices: 1994-06-16
1648-01-01
2012-10-30
1453-12-01
2012-12-29
1863
2012-07-01
2009-12-31
2015-09-20
1955-03-30
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of California" . ?e_1 <capital_of> ?e . ?e_1 <pred:name> "Riverside" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2264879"^^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: capital of
forward
function: FilterConcept
dependencies: 1
inputs: county of California
function: QueryAttrQualifier
dependencies: 2
inputs: population
2264879
point in time
Answer: 2012-07-01