Question: when was the magnum built at cedar point
[{'answer': '1989', 'provenance': [{'wikipedia_id': '1882946', 'title': 'Magnum XL-200', 'start_paragraph_id': 1, 'start_character': 150, 'end_paragraph_id': 1, 'end_character': 154, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1882946', 'title': 'Magnum XL-200', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 598, 'bleu_score': 0.9043814793518531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1207470161306323390}, 'section': 'Section::::Abstract.'}]}]