Question: When did Uruguay have a population of 3.03105e+06?
Paraphrase: What year did Uruguay have a population of 3.03105e+06?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q77 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '3.03105e+06')) . ?s pq:P585 ?value}