Question: when do they name the hospital grey sloan memorial
[{'answer': 'Season 9', 'provenance': [{'wikipedia_id': '1660277', 'title': "Grey's Anatomy", 'start_paragraph_id': 46, 'start_character': 259, 'end_paragraph_id': 46, 'end_character': 267, 'bleu_score': 1.0, 'section': 'Section::::Series synopsis.:Overview.\n'}]}, {'provenance': [{'wikipedia_id': '1660277', 'title': "Grey's Anatomy", 'start_paragraph_id': 46, 'start_character': 0, 'end_paragraph_id': 46, 'end_character': 1243, 'bleu_score': 0.7427258145872381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14532932107066120615}, 'section': 'Section::::Series synopsis.:Overview.\n'}]}]