Question: how many books does the roman catholic bible have
[{'answer': '73', 'provenance': [{'wikipedia_id': '14895059', 'title': 'Catholic Bible', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]