Question: Dostana ("Friendship") is a 2008 Indian romantic comedy film directed by Tarun Mansukhani, the film stars who, which Indian film actor, producer and playback singer known for his works in Bollywood and Bengali cinema?
{'answer': 'Abhishek Bachchan', 'supporting_facts': [['Dostana (2008 film)', 1], ['Abhishek Bachchan', 0]]}