Question: When is the director of film Brundavanam 's birthday?
Sentence (from "Singeetam Srinivasa Rao"): Singeetam Srinivasa Rao (born 21 September 1931) is an Indian film director, producer, screenwriter, composer, singer, lyricist and actor, known for his works in Telugu, Tamil, Kannada, Malayalam and Hindi films, across multiple genres.
Relevant evidence: Yes