Question: what is the net worth of united states
[{'answer': '$123.8 trillion', 'provenance': [{'wikipedia_id': '21978283', 'title': 'Financial position of the United States', 'start_paragraph_id': 1, 'start_character': 181, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21978283', 'title': 'Financial position of the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1371143058305948585}, 'section': 'Section::::Abstract.'}]}]