Question: when did the last season of one tree hill air
[{'answer': 'January 11 , 2012', 'provenance': [{'wikipedia_id': '31864393', 'title': 'One Tree Hill (season 9)', 'start_paragraph_id': 43, 'start_character': 128, 'end_paragraph_id': 43, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '31864393', 'title': 'One Tree Hill (season 9)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 379, 'bleu_score': 0.9180466554652991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5090638694933701980}, 'section': 'Section::::Abstract.'}]}]