Question: When did Porfirio Rubirosa divorce Barbara Hutton?
Paraphrase: At what time did Porfirio Rubirosa divorce Barbara Hutton?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1349488 p:P26 ?s . ?s ps:P26 wd:Q255620 . ?s pq:P582 ?value}