Question: who played the sheriff on sons of anarchy
[{'answer': 'Dayton Callie', 'provenance': [{'wikipedia_id': '23501167', 'title': 'Wayne Unser', 'start_paragraph_id': 1, 'start_character': 100, 'end_paragraph_id': 1, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23501167', 'title': 'Wayne Unser', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 646, 'bleu_score': 0.9826823455989031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15722686045357642730}, 'section': 'Section::::Abstract.'}]}]