Detailed Instructions: In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Context: Yeh Jawaani Hai Deewani ( This youth is crazy) is a 2013 Indian romantic drama film, directed by Ayan Mukerji, written by Mukerji and Hussain Dalal, and produced by Link Information: Karan Johar entered the film industry as an assistant director on Aditya Chopra's Dilwale Dulhania Le Jayenge (1995) Question: When did the producer of Yeh Jawaani Hai Deewani start working in the field of film?
A:
Answer: 1995