Question: how many episodes are there in deadman wonderland
[{'answer': '12', 'provenance': [{'wikipedia_id': '15934343', 'title': 'Deadman Wonderland', 'start_paragraph_id': 1, 'start_character': 215, 'end_paragraph_id': 1, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]