what is the {determination method} for {Tolyatti} has {population} as {6381.0} ?
What determined to be the Tolyatti's population as 6381.0?
How was the population of Tolyatti determined to be 6381.0?
SELECT ?l WHERE { resource:Tolyatti property:population ?r . FILTER ( ?z = 6381.0 ) . ?r property:population ?z . ?r property:determination_method ?l }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1341> .
?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> <6381.0> .
?statement <http://www.wikidata.org/entity/P459> ?value. 
} 

SELECT ?value WHERE { wd:Q1341 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '6381.0')) . ?s pq:P459 ?value}