Question: What is {population} of {Samara} whose {point in time} is {1890-1-1} ?
Paraphrase: What was the population of Samara in 1890?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q894 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1890')) }