Question: Who is the spouse of the composer of film Kaala Sona?
Sentence (from "Kaala Sona"): The film stars Feroz Khan, Parveen Babi, Prem Chopra, Farida Jalal, Danny Denzongpa, Helen, Durga Khote, Keshto Mukherjee and Bhagwan.
Relevant evidence: No