Question: when did sons of anarchy go off the air
[{'answer': '2014', 'provenance': [{'wikipedia_id': '18369401', 'title': 'Sons of Anarchy', 'start_paragraph_id': 1, 'start_character': 110, 'end_paragraph_id': 1, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18369401', 'title': 'Sons of Anarchy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 409, 'bleu_score': 0.6140482575832961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6213452588055309206}, 'section': 'Section::::Abstract.'}]}]