Question: who is the coach of the us men's national soccer team
[{'answer': 'Dave Sarachan', 'provenance': [{'wikipedia_id': '582488', 'title': "United States men's national soccer team", 'start_paragraph_id': 39, 'start_character': 67, 'end_paragraph_id': 39, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::History.:2010–present.\n'}]}]