Question: who is the artist who painted the scream
[{'answer': 'Edvard Munch', 'provenance': [{'wikipedia_id': '212420', 'title': 'The Scream', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]