Question: actor who plays julian in one tree hill
[{'answer': 'Austin Nichols', 'provenance': [{'wikipedia_id': '4305204', 'title': 'Austin Nichols', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4305204', 'title': 'Austin Nichols', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 383, 'bleu_score': 0.9712154609069981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15676683434952041946}, 'section': 'Section::::Abstract.'}]}]