Question: Abar Bochhor Tirish Pore was organized in part in memory of an Indian Bengali singer, songwriter, bassist, and composer, who co-founded what progressive rock band?
{'answer': 'Moheener Ghoraguli', 'supporting_facts': [['Abar Bochhor Tirish Pore', 1], ['Gautam Chattopadhyay', 0], ['Gautam Chattopadhyay', 1]]}