Question: What is the population of Togo in the year of 1973?
Paraphrase: How many people lived in Togo in 1973?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q945 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1973')) }