Question: who was the movie a beautiful mind based on
[{'answer': 'John Nash', 'provenance': [{'wikipedia_id': '3569822', 'title': 'A Beautiful Mind (film)', 'start_paragraph_id': 1, 'start_character': 81, 'end_paragraph_id': 1, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3569822', 'title': 'A Beautiful Mind (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 741, 'bleu_score': 0.937473665164506, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12896285964534460454}, 'section': 'Section::::Abstract.'}]}]