Question: who plays bo in the movie the star
[{'answer': 'Steven Yeun', 'provenance': [{'wikipedia_id': '52664965', 'title': 'The Star (2017 film)', 'start_paragraph_id': 1, 'start_character': 367, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]