Question: how much did it cost to build the wing house
[{'answer': '$25,000,000', 'provenance': [{'wikipedia_id': '34341916', 'title': '747 Wing House', 'start_paragraph_id': 20, 'start_character': 222, 'end_paragraph_id': 20, 'end_character': 233, 'bleu_score': 1.0, 'section': 'Section::::Plane.\n'}]}, {'provenance': [{'wikipedia_id': '34341916', 'title': '747 Wing House', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 386, 'bleu_score': 0.9720210313175831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12959127393030066074}, 'section': 'Section::::Plane.\n'}]}]