Question: who painted the picture of dogs playing poker
[{'answer': 'Cassius Marcellus Coolidge', 'provenance': [{'wikipedia_id': '953263', 'title': 'Dogs Playing Poker', 'start_paragraph_id': 1, 'start_character': 23, 'end_paragraph_id': 1, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '953263', 'title': 'Dogs Playing Poker', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 430, 'bleu_score': 0.9712154609069981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17985791166704162041}, 'section': 'Section::::Abstract.'}]}]