Question: when was mogul skiing added to the olympics
[{'answer': '1992', 'provenance': [{'wikipedia_id': '4332796', 'title': 'Freestyle skiing at the Winter Olympics', 'start_paragraph_id': 1, 'start_character': 74, 'end_paragraph_id': 1, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4332796', 'title': 'Freestyle skiing at the Winter Olympics', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 470, 'bleu_score': 0.974188104609039, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16646974280027606098}, 'section': 'Section::::History.\n'}]}]