Question: how many tapes were there in 13 reasons why
[{'answer': 'seven cassette tapes', 'provenance': [{'wikipedia_id': '23869776', 'title': 'Thirteen Reasons Why', 'start_paragraph_id': 24, 'start_character': 79, 'end_paragraph_id': 24, 'end_character': 99, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]