Question: When is the director of film Student Of The Year 's birthday?
Sentence (from "Student of the Year"): Student of the Year is a 2012 Indian Hindi-language coming-of-age romantic comedy-drama film directed by Karan Johar and produced by Hiroo Yash Johar, Karan Johar under the banner of Dharma Productions and Gauri Khan under Red Chillies Entertainment.
Relevant evidence: Yes