Question: When was Althea Gibson a member of the United States Wightman Cup team?
Paraphrase: What year was Althea Gibson a part of the US Wightman Cup team?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q53550 p:P54 ?s . ?s ps:P54 wd:Q7892299 . ?s pq:P580 ?value}