Question: who voiced jason todd in under the red hood
[{'answer': 'Jensen Ackles', 'provenance': [{'wikipedia_id': '26340083', 'title': 'Batman: Under the Red Hood', 'start_paragraph_id': 13, 'start_character': 12, 'end_paragraph_id': 13, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]