Question: How was it determined that the administrative territorial entity whose FIPS 6-4 (US counties) is 13121 have a population of 949777?
Choices: lead-lead dating
gross floor area
national estimation
census
Russian Empire Census
estimation process
register office
administrative division valid at the time point of history to which the data relates
2000 United States Census
United Kingdom Census 1981
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "administrative territorial entity" . ?e <FIPS_6-4_(US_counties)> ?pv_1 . ?pv_1 <pred:value> "13121" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "949777"^^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: FIPS 6-4 (US counties)
13121
function: FilterConcept
dependencies: 1
inputs: administrative territorial entity
function: QueryAttrQualifier
dependencies: 2
inputs: population
949777
determination method
Answer: estimation process