Question: instruments that produce sound by a vibrating column of air
[{'answer': 'wind instrument', 'provenance': [{'wikipedia_id': '23442958', 'title': 'Wind instrument', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23442958', 'title': 'Wind instrument', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3875362388909171687}, 'section': 'Section::::Abstract.'}]}]