Question: who did the usa defeat to win the gold medal in ice hockey in 1980
[{'answer': 'the Soviet Union', 'provenance': [{'wikipedia_id': '295721', 'title': 'Miracle on Ice', 'start_paragraph_id': 1, 'start_character': 222, 'end_paragraph_id': 1, 'end_character': 238, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '295721', 'title': 'Miracle on Ice', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 238, 'bleu_score': 0.8723360571509821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12244298855771693863}, 'section': 'Section::::Abstract.'}]}]