Question: who was the coach of the 1980 usa olympic hockey team
[{'answer': 'Herbert Paul Brooks Jr .', 'provenance': [{'wikipedia_id': '294306', 'title': 'Herb Brooks', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]