Question: to which parva of mahabharat does gita belong
[{'answer': 'Bhishma', 'provenance': [{'wikipedia_id': '19985352', 'title': 'Bhishma Parva', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19985352', 'title': 'Bhishma Parva', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 764, 'bleu_score': 0.9845548242372031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9842386923904256888}, 'section': 'Section::::Abstract.'}]}]