Question: When did the Douglas County founded in 1883 have a population size of 3161?
Choices: 2008-04-09
1890
2004-02-01
1515-01-01
1738-01-01
1950
1758
1831-12-01
1976-05-17
2002-07-08
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Douglas County" . ?e <inception> ?pv_1 . ?pv_1 <pred:year> 1883 . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "3161"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Douglas County
function: FilterYear
dependencies: 0
inputs: inception
1883
=
function: QueryAttrQualifier
dependencies: 1
inputs: population
3161
point in time
Answer: 1890