Question: who was defeated in the battle of buxar
[{'answer': 'Mughal Empire', 'provenance': [{'wikipedia_id': '2406228', 'title': 'Battle of Buxar', 'start_paragraph_id': 7, 'start_character': 702, 'end_paragraph_id': 7, 'end_character': 715, 'bleu_score': 1.0, 'section': 'Section::::Battle.\n'}]}, {'answer': 'Nawab of Awadh', 'provenance': [{'wikipedia_id': '2406228', 'title': 'Battle of Buxar', 'start_paragraph_id': 1, 'start_character': 213, 'end_paragraph_id': 1, 'end_character': 227, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mir Qasim', 'provenance': [{'wikipedia_id': '2406228', 'title': 'Battle of Buxar', 'start_paragraph_id': 1, 'start_character': 171, 'end_paragraph_id': 1, 'end_character': 180, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Durrani and Rohilla Factions'}]