Question: when did the us hockey team beat russia
[{'answer': '1980', 'provenance': [{'wikipedia_id': '295721', 'title': 'Miracle on Ice', 'start_paragraph_id': 1, 'start_character': 90, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]