Question: What is the determination method of 170539, the population of Beaver County?
Choices: de jure
middle
census
United Kingdom Census 1981
extrapolation
estimation
administrative division valid at the moment of publication
register office
rated voltage
demographic balance
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Beaver County" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "170539"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: Beaver County
function: QueryAttrQualifier
dependencies: 0
inputs: population
170539
determination method
Answer: census