Question: What is the date of death of Rosita Spencer-Churchill, Duchess Of Marlborough's husband?
Sentence (from "Edla Spencer-Churchill, Duchess of Marlborough"): Edla Spencer- Churchill, Duchess of Marlborough(" née" Griffiths), is the Duchess of Marlborough, wife of Jamie Spencer- Churchill, 12th Duke of Marlborough, and a British peeress.
Relevant evidence: No