Question: how many books are in the valuetales series
[{'answer': 'forty - three', 'provenance': [{'wikipedia_id': '932949', 'title': 'ValueTales', 'start_paragraph_id': 1, 'start_character': 158, 'end_paragraph_id': 1, 'end_character': 175, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '932949', 'title': 'ValueTales', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 271, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8192050325531788441}, 'section': 'Section::::Abstract.'}]}]