Question: who plays richie in the new it movie
[{'answer': 'Finn Wolfhard', 'provenance': [{'wikipedia_id': '50287849', 'title': 'It (2017 film)', 'start_paragraph_id': 2, 'start_character': 238, 'end_paragraph_id': 2, 'end_character': 251, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]