Question: who played little jack in meet the fockers
[{'answer': 'Spencer and Bradley Pickren', 'provenance': [{'wikipedia_id': '962010', 'title': 'Meet the Fockers', 'start_paragraph_id': 18, 'start_character': 12, 'end_paragraph_id': 18, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]