Question: Dharmatama is a 1975 Hindi thriller movie, and the first Bollywood film to be shot in Afghanistan,the title character was based on matka, king Ratan Khatri, Matka" gambling or satta" is a form of lottery which originally involved betting on the opening and closing rates of cotton transmitted from where?
{'answer': 'New York Cotton Exchange', 'supporting_facts': [['Dharmatma', 3], ['Matka gambling', 0]]}