Question: who's the head coach for the kansas city chiefs
[{'answer': 'Andrew Walter Reid', 'provenance': [{'wikipedia_id': '1326346', 'title': 'Andy Reid', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1326346', 'title': 'Andy Reid', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 659, 'bleu_score': 0.6425240602710881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 603377595384996688}, 'section': 'Section::::Abstract.'}]}]