Question: When did the German Empire have a population of 4.94285e+07?
Paraphrase: The date the German Empire had a population of 4.94285e+07
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q43287 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '4.94285e+07')) . ?s pq:P585 ?value}