Question: when does phantom of the opera take place
[{'answer': '1911', 'provenance': [{'wikipedia_id': '162189', 'title': 'The Phantom of the Opera', 'start_paragraph_id': 3, 'start_character': 629, 'end_paragraph_id': 3, 'end_character': 633, 'bleu_score': 1.0, 'section': 'Section::::History behind the novel.\n'}]}, {'provenance': [{'wikipedia_id': '162189', 'title': 'The Phantom of the Opera', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 860, 'bleu_score': 0.5477501586898841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5609045205239133342}, 'section': 'Section::::Plot summary.\n'}]}]