Question: how much did it cost to build the dallas cowboys stadium
[{'answer': '$1.15 billion', 'provenance': [{'wikipedia_id': '6549393', 'title': 'AT&T Stadium', 'start_paragraph_id': 4, 'start_character': 85, 'end_paragraph_id': 4, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Construction and design.\n'}]}, {'provenance': [{'wikipedia_id': '6549393', 'title': 'AT&T Stadium', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 682, 'bleu_score': 0.913397563299938, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14112099468195632055}, 'section': 'Section::::Construction and design.\n'}]}]