Question: who plays bruno in the boy in the striped pajamas
[{'answer': 'Asa Butterfield', 'provenance': [{'wikipedia_id': '19062669', 'title': 'The Boy in the Striped Pyjamas (film)', 'start_paragraph_id': 1, 'start_character': 352, 'end_paragraph_id': 1, 'end_character': 367, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19062669', 'title': 'The Boy in the Striped Pyjamas (film)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 725, 'bleu_score': 0.7907102877451411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15978355845290483240}, 'section': 'Section::::Plot.\n'}]}]