Question: What is the determination method of 207902, the population of the Pennsylvania county named after George Washington (who had the occupation of military officer)?
Choices: demographic balance
Census
questionnaire
population projection
estimation process
2010 United States Census
1860 United States Census
middle
administrative division valid at the time point of history to which the data relates
lead-lead dating
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> "George Washington" . ?e_1 <occupation> ?e_2 . ?e_2 <pred:name> "military officer" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "207902"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: military officer
function: Relate
dependencies: 0
inputs: occupation
backward
function: Find
inputs: George Washington
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: named after
backward
function: FilterConcept
dependencies: 4
inputs: county of Pennsylvania
function: QueryAttrQualifier
dependencies: 5
inputs: population
207902
determination method
Answer: estimation process