Question: What is the date of birth of the director of film Coolie No. 1 (1991 Film)?
Sentence (from "K. Raghavendra Rao"): In a film career spanning more than five decades, Rao has directed more than a hundred feature films, of which around ninety were box office hits, across multiple genres such as romantic comedy, fantasy, melodrama, action thriller, biographical and romance films.
Relevant evidence: No