Question: What was the population of Burundi in 1992?
Paraphrase: how many people lived in Burundi in 1992?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q967 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1992')) }