Question: Sadma, is an Indian drama movie, released in which year, directed by Balu Mahendra which stars Sridevi, an Indian film actress who has worked in Tamil, Telugu, Hindi, Malayalam and Kannada films?
Sentence (from "Sadma"): Lost, she ends up trapped in a brothel before being rescued by Somu (Kamal Haasan), a lonely school teacher who falls in love with her.
Relevant evidence: No