Question: What is the population of Thirteen colonies in 1980?
Paraphrase: How many people lived in the Thirteen Colonies in 1980?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q179997 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '1980')) . ?s pq:P585 ?value}