Question: who was leading indian army during bangladesh liberation war
[{'answer': 'General Manekshaw', 'provenance': [{'wikipedia_id': '672766', 'title': 'Bangladesh Liberation War', 'start_paragraph_id': 69, 'start_character': 224, 'end_paragraph_id': 69, 'end_character': 241, 'bleu_score': 1.0, 'section': 'Section::::Indian involvement.\n'}]}, {'provenance': [{'wikipedia_id': '672766', 'title': 'Bangladesh Liberation War', 'start_paragraph_id': 69, 'start_character': 0, 'end_paragraph_id': 69, 'end_character': 819, 'bleu_score': 0.5738797114109551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8151511905743459508}, 'section': 'Section::::Indian involvement.\n'}]}]