Question: When did the Virginia county established in 1838 have a population of 18650?
Choices: 2018-11-14
2016-03-03
1926-01-01
1555
2013-04-01
2020
2017-02-09
2014-01-22
950
2011-07-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Virginia" . ?e <inception> ?pv_1 . ?pv_1 <pred:year> 1838 . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "18650"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1838
=
function: FilterConcept
dependencies: 1
inputs: county of Virginia
function: QueryAttrQualifier
dependencies: 2
inputs: population
18650
point in time
Answer: 2011-07-01