Question: who plays the father in the boy in striped pajamas
[{'answer': 'David Thewlis', 'provenance': [{'wikipedia_id': '19062669', 'title': 'The Boy in the Striped Pyjamas (film)', 'start_paragraph_id': 1, 'start_character': 337, 'end_paragraph_id': 1, 'end_character': 350, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19062669', 'title': 'The Boy in the Striped Pyjamas (film)', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 49, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12053152645021897512}, 'section': 'Section::::Cast.\n'}]}]