Question: When did Francisco Franco marry Carmen Polo, 1st Lady of Meiras?
Paraphrase: What year did Carmen Polo, 1st Lady of Meiras, and Francisco Franco marry?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q29179 p:P26 ?s . ?s ps:P26 wd:Q943785 . ?s pq:P580 ?value}