Question: pavel the boy in the striped pajamas actor
[{'answer': 'David Hayman', 'provenance': [{'wikipedia_id': '19062669', 'title': 'The Boy in the Striped Pyjamas (film)', 'start_paragraph_id': 21, 'start_character': 12, 'end_paragraph_id': 21, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]