what is the {determination method} for {Krefeld} has {population} as {226812} ?
What method was used to determine Krefeld's population of 226,812?
How was the population of Krefeld determined to be 226,812?
SELECT ?h WHERE { ?d property:determination_method ?h . resource:Krefeld property:population ?d . FILTER ( CONTAINS ( ?k , '226812' ) ) . ?d property:population ?k }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2805> .
?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> <226812> .
?statement <http://www.wikidata.org/entity/P459> ?value. 
} 

SELECT ?value WHERE { wd:Q2805 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '226812')) . ?s pq:P459 ?value}