Question: when did they build the new yankee stadium
[{'answer': 'began in August 2006', 'provenance': [{'wikipedia_id': '22146637', 'title': 'Yankee Stadium', 'start_paragraph_id': 2, 'start_character': 277, 'end_paragraph_id': 2, 'end_character': 297, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22146637', 'title': 'Yankee Stadium', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 512, 'bleu_score': 0.97451705556073, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2450415608806853258}, 'section': 'Section::::Abstract.'}]}]