Question: what became a winter olympic sport in 1998
[{'answer': "women 's ice hockey", 'provenance': [{'wikipedia_id': '113189', 'title': '1998 Winter Olympics', 'start_paragraph_id': 97, 'start_character': 10, 'end_paragraph_id': 97, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Sports.:Ice hockey.\n'}]}, {'answer': 'curling', 'provenance': [{'wikipedia_id': '113189', 'title': '1998 Winter Olympics', 'start_paragraph_id': 2, 'start_character': 215, 'end_paragraph_id': 2, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'snowboarding', 'provenance': [{'wikipedia_id': '113189', 'title': '1998 Winter Olympics', 'start_paragraph_id': 2, 'start_character': 227, 'end_paragraph_id': 2, 'end_character': 239, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '113189', 'title': '1998 Winter Olympics', 'start_paragraph_id': 2, 'start_character': 58, 'end_paragraph_id': 2, 'end_character': 323, 'bleu_score': 0.68766553903701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10266722876522946155}, 'section': 'Section::::Abstract.'}]}]