what is the {determination method} for {Alberta} has {population} as {4306039} ?
Albert has a population of 4,306,039, how was this number derived?
How was the population of Alberta determined to be 4,306,039?
SELECT ?a WHERE { ?g property:determination_method ?a . ?g property:population ?m . FILTER ( ?m = 4306039 ) . resource:Alberta property:population ?g }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1951> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1082> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <4306039> .
?statement <http://www.wikidata.org/entity/P459> ?value. 
} 

SELECT ?value WHERE { wd:Q1951 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '4306039')) . ?s pq:P459 ?value}