Question: who invented the green color of the dollar
[{'answer': 'chemist Christopher Der - Seropian', 'provenance': [{'wikipedia_id': '1978363', 'title': 'History of the United States dollar', 'start_paragraph_id': 61, 'start_character': 476, 'end_paragraph_id': 61, 'end_character': 509, 'bleu_score': 1.0, 'section': 'Section::::Color and design.\n'}]}, {'provenance': [{'wikipedia_id': '1978363', 'title': 'History of the United States dollar', 'start_paragraph_id': 61, 'start_character': 0, 'end_paragraph_id': 61, 'end_character': 963, 'bleu_score': 0.949432087040288, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10663804866414752}, 'section': 'Section::::Color and design.\n'}]}]