Question: who appeared on the u s 20 dollar bill in 1875
[{'answer': 'Alexander Hamilton', 'provenance': [{'wikipedia_id': '477336', 'title': 'United States twenty-dollar bill', 'start_paragraph_id': 37, 'start_character': 147, 'end_paragraph_id': 37, 'end_character': 165, 'bleu_score': 1.0, 'section': "Section::::Proposal for a woman's portrait.\n"}]}, {'provenance': [{'wikipedia_id': '477336', 'title': 'United States twenty-dollar bill', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 169, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17343606768348684511}, 'section': 'Section::::Pre–Federal Reserve history.\n'}]}]