Question: Which film whose director was born first, Professor Dinkan or Professor Pyarelal?
Sentence (from "Professor Pyarelal"): Professor Pyarelal is a 1981 Hindi film produced by T.M. Bihari, directed by Brij Sadanah, featuring Dharmendra, Zeenat Aman, Simi Garewal, Shreeram Lagoo, Amjad Khan and Nirupa Roy in the lead roles.
Relevant evidence: Yes