Question: who won the battle of the little bighorn
[{'answer': 'Lakota', 'provenance': [{'wikipedia_id': '56126', 'title': 'Battle of the Little Bighorn', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Northern Cheyenne', 'provenance': [{'wikipedia_id': '56126', 'title': 'Battle of the Little Bighorn', 'start_paragraph_id': 1, 'start_character': 230, 'end_paragraph_id': 1, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Arapaho', 'provenance': [{'wikipedia_id': '56126', 'title': 'Battle of the Little Bighorn', 'start_paragraph_id': 1, 'start_character': 253, 'end_paragraph_id': 1, 'end_character': 260, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]