what is the {point in time} for {Nevada} has {population} as {488738.0} ?
The population of Nevada was listed as 488,738.0 on what date?
When was the population of Nevada recorded as 488738.0?
SELECT ?b WHERE { FILTER ( ?s = 488738.0 ) . resource:Nevada property:population ?v . ?v property:population ?s . ?v property:point_in_time ?b }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1227> .
?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> <488738.0> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q1227 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '488738.0')) . ?s pq:P585 ?value}