Question: who plays keith scott on one tree hill
[{'answer': 'Craig Eric Sheffer', 'provenance': [{'wikipedia_id': '1896395', 'title': 'Craig Sheffer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1896395', 'title': 'Craig Sheffer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 267, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 464181981146549928}, 'section': 'Section::::Abstract.'}]}]