Question: who played rat boy on sons of anarchy
[{'answer': 'Niko Nicotera', 'provenance': [{'wikipedia_id': '43933271', 'title': 'Niko Nicotera', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]