Question: who plays nathan scott on one tree hill
[{'answer': 'James Martin Lafferty', 'provenance': [{'wikipedia_id': '1457698', 'title': 'James Lafferty', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1457698', 'title': 'James Lafferty', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 211, 'bleu_score': 0.948006874591591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3578361257233859838}, 'section': 'Section::::Abstract.'}]}]