Question: who is the head coach for carolina panthers
[{'answer': 'Ron Rivera', 'provenance': [{'wikipedia_id': '1193476', 'title': 'Ron Rivera', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]