Question: what is the u.s. debt to gdp ratio
[{'answer': '104.8 %'}, {'provenance': [{'wikipedia_id': '2410012', 'title': 'Debt-to-GDP ratio', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 309, 'bleu_score': 0.6835876812992241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3730021002968359747}, 'section': 'Section::::Global Statistics.\n'}]}]