Question: Aravaan ") is a 2012 Indian Tamil epic historical fiction that is the debut as a music director of a trained Carnatic music vocalist who was an ardent fan of who?
{'answer': 'A. R. Rahman', 'supporting_facts': [['Aravaan', 0], ['Aravaan', 3], ['Karthik (singer)', 1], ['Karthik (singer)', 2], ['Karthik (singer)', 4]]}