Question: who is the head coach of chicago bears
[{'answer': 'John Fox', 'provenance': [{'wikipedia_id': '2263508', 'title': 'John Fox (American football)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]