Question: who was the book of mormon written by
[{'answer': 'Joseph Smith', 'provenance': [{'wikipedia_id': '3978', 'title': 'Book of Mormon', 'start_paragraph_id': 1, 'start_character': 246, 'end_paragraph_id': 1, 'end_character': 258, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3978', 'title': 'Book of Mormon', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 0.9699161750394991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14531060493272463509}, 'section': 'Section::::Abstract.'}]}]