Question: when does callie torres first appear on grey's anatomy
[{'answer': 'season two', 'provenance': [{'wikipedia_id': '7687028', 'title': 'Callie Torres', 'start_paragraph_id': 1, 'start_character': 286, 'end_paragraph_id': 1, 'end_character': 296, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7687028', 'title': 'Callie Torres', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 562, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10528547291656913821}, 'section': 'Section::::Abstract.'}]}]