Question: What was the population of Lucknow in 2011?
Paraphrase: How many people lived in Lucknow in 2011?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q47916 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2011')) }