Question: When did Erie County whose headquarter location is Erie have a population of 280823?
Choices:
2018-02-03
2002-07-01
1942
1996-08-28
2010-04-28
1994-10-25
2012-07-01
1972
1997-12-01
2007-11-23
Program:
function: Find
inputs: Erie
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: Find
inputs: Erie County
function: And
dependencies: 1
2
function: QueryAttrQualifier
dependencies: 3
inputs: population
280823
point in time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Erie County" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Erie" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "280823"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv .  }
Answer: 2012-07-01