Question: What is {population} of {Florida} where {point in time} is {1940-0-0} ?
Paraphrase: What was the population of Florida in 1940?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q812 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1940')) }