Question: what kind of book is the story of my life by helen keller
[{'answer': 'autobiography', 'provenance': [{'wikipedia_id': '5145469', 'title': 'The Story of My Life (biography)', 'start_paragraph_id': 1, 'start_character': 65, 'end_paragraph_id': 1, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5145469', 'title': 'The Story of My Life (biography)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 567, 'bleu_score': 0.8399669479219081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14253258946109757689}, 'section': 'Section::::Abstract.'}]}]