Question: who directed the 2009 movie angles and demons
[{'answer': 'Ron Howard', 'provenance': [{'wikipedia_id': '5794648', 'title': 'Angels & Demons (film)', 'start_paragraph_id': 1, 'start_character': 69, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]