Question: How was it determined that the county of Maine in or next to the Atlantic Ocean has a population of 54530?
Choices: United States Census
Russian Empire Census
Canada 2011 Census
demographic balance
administrative division valid at the moment of publication
administrative division valid at the time point of history to which the data relates
Address Based Population Registration System
lead-lead dating
average
estimation process
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Maine" . ?e <located_in_or_next_to_body_of_water> ?e_1 . ?e_1 <pred:name> "Atlantic Ocean" .  ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "54530"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: Atlantic Ocean
function: Relate
dependencies: 0
inputs: located in or next to body of water
backward
function: FilterConcept
dependencies: 1
inputs: county of Maine
function: QueryAttrQualifier
dependencies: 2
inputs: population
54530
determination method
Answer: estimation process