Question: For the New York county that contains Buffalo, what is the determination method of this value that its population is 919866?
Choices: Canada 2011 Census
hearth tax
Address Based Population Registration System
Family record booklet
national estimation
demographic balance
de facto
Population registration in Sweden
2000 United States Census
estimation process
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of New York" . ?e_1 <located_in_the_administrative_territorial_entity> ?e . ?e_1 <pred:name> "Buffalo" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "919866"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: Buffalo
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
forward
function: FilterConcept
dependencies: 1
inputs: county of New York
function: QueryAttrQualifier
dependencies: 2
inputs: population
919866
determination method
Answer: estimation process