What is {population} of {Iași} that is {point in time} is {1912-1-1} ?
The population of lasi in 1910 was?
What was the population of Iasi in 1910?
SELECT ?t WHERE { resource:Iași property:population ?s . ?s property:point_in_time ?d . FILTER ( CONTAINS ( YEAR ( ?d ) , '1912' ) ) . ?s property:population ?t }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q46852> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1912-1-1>
} 

SELECT ?obj WHERE { wd:Q46852 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1912')) }