Question: What nationality is the director of film Dr. Vidya?
Sentence (from "Dr. Vidya"): The film starred Vyjayanthimala in the title role and Manoj Kumar in the lead, with Leela Chitnis, Nazir Hussain, Helen, Sunder, Madan Puri, Prem Chopra and Mumtaz Begum, forming an ensemble cast.
Relevant evidence: No