Question: How was it determined that 185,177 is the population of a big city which is also the twinned administrative body of Changsha ?
Choices: United Kingdom Census 2011
Census
national estimation
UIS estimation
United States Census
tradition
extrapolation
census
estimation
register office
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Changsha" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "185177"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: Changsha
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 1
inputs: big city
function: QueryAttrQualifier
dependencies: 2
inputs: population
185177
determination method
Answer: census