Question: when was in the hall of the mountain king made
[{'answer': '1875', 'provenance': [{'wikipedia_id': '748312', 'title': 'In the Hall of the Mountain King', 'start_paragraph_id': 1, 'start_character': 97, 'end_paragraph_id': 1, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '748312', 'title': 'In the Hall of the Mountain King', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 471, 'bleu_score': 0.9186679390018001, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17519544014185179406}, 'section': 'Section::::Abstract.'}]}]