Question: How was it determined that the sovereign state that is followed by Austria-Hungary has a population of 21200000?
Choices: estimation process
demographic balance
average
United States Census
United Kingdom Census 2001
population projection
tradition
administrative division valid at the moment of publication
Population registration in Sweden
Family record booklet
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "sovereign state" . ?e <followed_by> ?e_1 . ?e_1 <pred:name> "Austria-Hungary" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "21200000"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: Austria-Hungary
function: Relate
dependencies: 0
inputs: followed by
backward
function: FilterConcept
dependencies: 1
inputs: sovereign state
function: QueryAttrQualifier
dependencies: 2
inputs: population
21200000
determination method
Answer: estimation process