Question: when does super smash brothers ultimate come out
[{'answer': 'December 7 , 2018', 'provenance': [{'wikipedia_id': '1577869', 'title': 'Super Smash Bros.', 'start_paragraph_id': 23, 'start_character': 35, 'end_paragraph_id': 23, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Games.:"Super Smash Bros. Ultimate" (2018).\n'}]}, {'provenance': [{'wikipedia_id': '1577869', 'title': 'Super Smash Bros.', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 780, 'bleu_score': 0.584535888524367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3663688899101636566}, 'section': 'Section::::Games.:"Super Smash Bros. Ultimate" (2018).\n'}]}]