Question: where does christina yang go in season 9
[{'answer': 'Minnesota', 'provenance': [{'wikipedia_id': '35874063', 'title': "Grey's Anatomy (season 9)", 'start_paragraph_id': 2, 'start_character': 655, 'end_paragraph_id': 2, 'end_character': 664, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35874063', 'title': "Grey's Anatomy (season 9)", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1472, 'bleu_score': 0.9917182482576091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9070384400600965348}, 'section': 'Section::::Abstract.'}]}]