Question: What method determines that 183862 is the population of the Pennsylvania county whose official website is http://www.co.butler.pa.us?
Choices: Family record booklet
Canada 2016 Census
de facto
FIFA World Rankings
census
Russian Empire Census
lead-lead dating
average
rated voltage
demographic balance
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Pennsylvania" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.co.butler.pa.us" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "183862"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.co.butler.pa.us
function: FilterConcept
dependencies: 1
inputs: county of Pennsylvania
function: QueryAttrQualifier
dependencies: 2
inputs: population
183862
determination method
Answer: census