Question: how many chapters in alice through the looking glass
[{'answer': 'Twelve', 'provenance': [{'wikipedia_id': '31623', 'title': 'Through the Looking-Glass', 'start_paragraph_id': 14, 'start_character': 8, 'end_paragraph_id': 14, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '31623', 'title': 'Through the Looking-Glass', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 302, 'bleu_score': 0.616884924436612, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17526982885628870551}, 'section': 'Section::::Plot summary.\n'}]}]