Question: when did wrath of the lich king release
[{'answer': 'November 13 , 2008', 'provenance': [{'wikipedia_id': '12563163', 'title': 'World of Warcraft: Wrath of the Lich King', 'start_paragraph_id': 27, 'start_character': 461, 'end_paragraph_id': 27, 'end_character': 479, 'bleu_score': 1.0, 'section': 'Section::::Development and release.\n'}]}, {'provenance': [{'wikipedia_id': '12563163', 'title': 'World of Warcraft: Wrath of the Lich King', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 710, 'bleu_score': 0.870050583566184, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15569045124604585140}, 'section': 'Section::::Abstract.'}]}]