Question: who won australias first gold medal in the winter olympics
[{'answer': 'Steven John Bradbury', 'provenance': [{'wikipedia_id': '1799036', 'title': 'Steven Bradbury', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1799036', 'title': 'Steven Bradbury', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 453, 'bleu_score': 0.8261674229803011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4731414604352512755}, 'section': 'Section::::Abstract.'}]}]