Question: when does call of duty blackops 4 come out
[{'answer': 'October 12 , 2018', 'provenance': [{'wikipedia_id': '56786515', 'title': 'Call of Duty: Black Ops 4', 'start_paragraph_id': 39, 'start_character': 44, 'end_paragraph_id': 39, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}, {'provenance': [{'wikipedia_id': '56786515', 'title': 'Call of Duty: Black Ops 4', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 400, 'bleu_score': 0.668200060307483, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6039302149025858222}, 'section': 'Section::::Abstract.'}]}]