Question: where is the smallest bone in the body located
[{'answer': 'the middle ear', 'provenance': [{'wikipedia_id': '82957', 'title': 'Stapes', 'start_paragraph_id': 1, 'start_character': 35, 'end_paragraph_id': 1, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '82957', 'title': 'Stapes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 364, 'bleu_score': 0.9432477065696491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11238177416565369717}, 'section': 'Section::::Abstract.'}]}]