Question: the winner of the best actor award in the 64th national film festival 2017
[{'answer': 'Akshay Kumar', 'provenance': [{'wikipedia_id': '49647773', 'title': '64th National Film Awards', 'start_paragraph_id': 54, 'start_character': 98, 'end_paragraph_id': 54, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Controversy.\n'}]}, {'answer': 'Manoj Joshi'}, {'provenance': [{'wikipedia_id': '49647773', 'title': '64th National Film Awards', 'start_paragraph_id': 54, 'start_character': 0, 'end_paragraph_id': 54, 'end_character': 330, 'bleu_score': 0.9611463610973231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8937791437804173908}, 'section': 'Section::::Controversy.\n'}]}, {'provenance': [{'wikipedia_id': '49647773', 'title': '64th National Film Awards', 'section': 'Section::::Controversy.\n', 'start_paragraph_id': 54, 'end_paragraph_id': 54, 'meta': {'evidence_span': ['There was controversy over the National Film Award for Best Actor, which the committee awarded to Akshay Kumar for his performance in Rustom, snubbing Aamir Khan\'s performance for "Dangal"', 'There was controversy over the National Film Award for Best Actor, which the committee awarded to Akshay Kumar', 'There was controversy over the National Film Award for Best Actor, which the committee awarded to Akshay Kumar for his performance in Rustom']}}]}]