Question: who was memoirs of a geisha based on
[{'answer': 'Mineko Iwasaki', 'provenance': [{'wikipedia_id': '901398', 'title': 'Memoirs of a Geisha', 'start_paragraph_id': 20, 'start_character': 132, 'end_paragraph_id': 20, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Lawsuit.\n'}]}, {'provenance': [{'wikipedia_id': '901398', 'title': 'Memoirs of a Geisha', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 761, 'bleu_score': 0.9843125095516201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 210111371642032533}, 'section': 'Section::::Lawsuit.\n'}]}]