Question: What method is used to determine the total fertility rate of 2.322 for the country San Salvador that is a sovereign state?
Choices: 2000 United States Census
demographic balance
resident registration
middle
population projection
census
Population registration in Sweden
Canada 2016 Census
Russian Empire Census
estimation process
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e_1 <country> ?e . ?e_1 <pred:name> "San Salvador" .  ?e <total_fertility_rate> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "2.322"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <total_fertility_rate> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: San Salvador
function: Relate
dependencies: 0
inputs: country
forward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: QueryAttrQualifier
dependencies: 2
inputs: total fertility rate
2.322
determination method
Answer: estimation process