Question: when does season 2 of vampire knight come out
[{'answer': 'October 6 , 2008', 'provenance': [{'wikipedia_id': '16618031', 'title': 'List of Vampire Knight episodes', 'start_paragraph_id': 2, 'start_character': 346, 'end_paragraph_id': 2, 'end_character': 365, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]