Question: when did the yankees move to new stadium
[{'answer': 'in 2009', 'provenance': [{'wikipedia_id': '22146637', 'title': 'Yankee Stadium', 'start_paragraph_id': 1, 'start_character': 315, 'end_paragraph_id': 1, 'end_character': 322, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22146637', 'title': 'Yankee Stadium', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 486, 'bleu_score': 0.6558448523303311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10845298665086457071}, 'section': 'Section::::Abstract.'}]}]