Question: how many pages are in the harry potter series
[{'answer': '4,195', 'provenance': [{'wikipedia_id': '2387806', 'title': 'Harry Potter', 'start_paragraph_id': 107, 'start_character': 270, 'end_paragraph_id': 107, 'end_character': 275, 'bleu_score': 1.0, 'section': 'Section::::Reception.:Social impact.\n'}]}, {'provenance': [{'wikipedia_id': '2387806', 'title': 'Harry Potter', 'start_paragraph_id': 107, 'start_character': 0, 'end_paragraph_id': 107, 'end_character': 1046, 'bleu_score': 0.9601711437193581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14426805586366740759}, 'section': 'Section::::Reception.:Social impact.\n'}]}]