Question: When did Robert Byrd stop being a member of the West Virginia House of Delegates?
Paraphrase: When did Robert Byrd end his membership in the West Virginia House of Delegates?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q276524 p:P39 ?s . ?s ps:P39 wd:Q19772501 . ?s pq:P582 ?value}