Question: when does dragon ball fighter z come out
[{'answer': 'February 2018'}, {'provenance': [{'wikipedia_id': '54264840', 'title': 'Dragon Ball FighterZ', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 282, 'bleu_score': 0.5475235665340891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13750272670305971502}, 'section': 'Section::::Abstract.'}]}]