Question: how many books in a farewell to arms
[{'answer': 'five', 'provenance': [{'wikipedia_id': '61069', 'title': 'A Farewell to Arms', 'start_paragraph_id': 5, 'start_character': 26, 'end_paragraph_id': 5, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '61069', 'title': 'A Farewell to Arms', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 483, 'bleu_score': 0.92461600879834, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10847925826878721451}, 'section': 'Section::::Plot summary.\n'}]}]