Question: what type of wood are baseball bats made from
[{'answer': 'ash', 'provenance': [{'wikipedia_id': '843119', 'title': 'Baseball bat', 'start_paragraph_id': 14, 'start_character': 109, 'end_paragraph_id': 14, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Materials and manufacture.\n'}]}, {'answer': 'maple', 'provenance': [{'wikipedia_id': '843119', 'title': 'Baseball bat', 'start_paragraph_id': 14, 'start_character': 134, 'end_paragraph_id': 14, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Materials and manufacture.\n'}]}, {'answer': 'hickory', 'provenance': [{'wikipedia_id': '843119', 'title': 'Baseball bat', 'start_paragraph_id': 14, 'start_character': 141, 'end_paragraph_id': 14, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::Materials and manufacture.\n'}]}, {'answer': 'bamboo', 'provenance': [{'wikipedia_id': '843119', 'title': 'Baseball bat', 'start_paragraph_id': 14, 'start_character': 154, 'end_paragraph_id': 14, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Materials and manufacture.\n'}]}, {'provenance': [{'wikipedia_id': '843119', 'title': 'Baseball bat', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 718, 'bleu_score': 0.9637269136610731, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10775287279373467536}, 'section': 'Section::::Materials and manufacture.\n'}]}]