Question: What was the population of Chelyabinsk on 1926?
Paraphrase: Give me the population of Chelyabinsk in 1926.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q906 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1926')) }