Question: Mention the year span in which Ruhollah Khomeini married and lasted with Khadijeh Saqafi
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q38823 p:P26 ?s . ?s ps:P26 wd:Q686560 . ?s pq:P580 ?value1 . ?s pq:P582 ?value2 }