what is the {determination method} for {Perm} has {population} as {850324.0} ?
How was Perm's population of 850,324 determined?
What method was used to determine that Perm has a population of 850324?
SELECT ?b WHERE { ?g property:population ?d . ?g property:determination_method ?b . FILTER ( ?d = 850324.0 ) . resource:Perm property:population ?g }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q915> .
?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> <850324.0> .
?statement <http://www.wikidata.org/entity/P459> ?value. 
} 

SELECT ?value WHERE { wd:Q915 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '850324.0')) . ?s pq:P459 ?value}