Question: who painted the original picture of the last supper
[{'answer': 'Leonardo da Vinci', 'provenance': [{'wikipedia_id': '73190', 'title': 'The Last Supper (Leonardo)', 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '73190', 'title': 'The Last Supper (Leonardo)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 257, 'bleu_score': 0.6489847581939481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 823388996765850562}, 'section': 'Section::::Abstract.'}]}]