Question: who plays the queen's brother in snow white and the huntsman
[{'answer': 'Sam Spruell', 'provenance': [{'wikipedia_id': '36019569', 'title': 'Snow White and the Huntsman', 'start_paragraph_id': 19, 'start_character': 12, 'end_paragraph_id': 19, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]