Question: Judith Exner, was an American woman who claimed to be the mistress of U.S. president John F. Kennedy and Mafia leaders Sam Giancana and John "Handsome Johnny" Roselli, was an influential mobster for the Chicago Outfit who helped that organization control Hollywood and the Las Vegas Strip, and died on which date?
Sentence (from "Judith Exner"): She was also known as Judith Campbell Exner, and Judith Campbell.
Relevant evidence: No