Question: who plays pennywise in stephen king's it 2017
[{'answer': 'Bill Skarsgård', 'provenance': [{'wikipedia_id': '50287849', 'title': 'It (2017 film)', 'start_paragraph_id': 2, 'start_character': 148, 'end_paragraph_id': 2, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]