Question: What is the population of Torshavn in year 1991?
Paraphrase: Which is the number of population of Torshavn in 1991?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q10704 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1991')) }