Question: who was holding the indian army during the bangladesh liberation war of 1971
[{'answer': 'East Pakistan', 'provenance': [{'wikipedia_id': '464071', 'title': 'Indo-Pakistani War of 1971', 'start_paragraph_id': 1, 'start_character': 130, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '464071', 'title': 'Indo-Pakistani War of 1971', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 0.949466006301181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17479224761365599379}, 'section': 'Section::::Abstract.'}]}]