Question: when was paper money invented in the us
[{'answer': 'April 2 , 1792', 'provenance': [{'wikipedia_id': '1978363', 'title': 'History of the United States dollar', 'start_paragraph_id': 1, 'start_character': 182, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1978363', 'title': 'History of the United States dollar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 468, 'bleu_score': 0.9748377259086851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3647322023865941844}, 'section': 'Section::::Abstract.'}]}]