Question: What is the date of death of Madhubala's husband?
Sentence (from "Madhubala"): Madhubala received wide recognition for her performances in films such as "Mahal" (1949), "Amar" (1954), "Mr. & Mrs. '55" (1955), "Chalti Ka Naam Gaadi" (1958), "Mughal-e-Azam" (1960) and "Barsaat Ki Raat" (1960).
Relevant evidence: No