Question: when did assassin's creed black flag come out
[{'answer': 'October 29 , 2013', 'provenance': [{'wikipedia_id': '38666874', 'title': "Assassin's Creed IV: Black Flag", 'start_paragraph_id': 43, 'start_character': 130, 'end_paragraph_id': 43, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Marketing and release.\n'}]}, {'provenance': [{'wikipedia_id': '38666874', 'title': "Assassin's Creed IV: Black Flag", 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 693, 'bleu_score': 0.984062469849008, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7522726542406563370}, 'section': 'Section::::Marketing and release.\n'}]}]