Question: When did the county of Pennsylvania that is named after United States of America have a population of 44947?
Choices: 2017-03-31
1927
2018-10-01
2010-04-01
1790
1965-01-01
2014-08-28
1875
1493
1955-03-30
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Pennsylvania" . ?e <named_after> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "44947"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: named after
backward
function: FilterConcept
dependencies: 1
inputs: county of Pennsylvania
function: QueryAttrQualifier
dependencies: 2
inputs: population
44947
point in time
Answer: 2010-04-01