Question: what indian tribes fought in 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.'}]}, {'provenance': [{'wikipedia_id': '56126', 'title': 'Battle of the Little Bighorn', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 575, 'bleu_score': 0.9450701851959151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14099131548305904588}, 'section': 'Section::::Abstract.'}]}]