Question: when did the first smash bros come out
[{'answer': '1999', 'provenance': [{'wikipedia_id': '1577869', 'title': 'Super Smash Bros.', 'start_paragraph_id': 1, 'start_character': 49, 'end_paragraph_id': 1, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1577869', 'title': 'Super Smash Bros.', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 765, 'bleu_score': 0.5889617899688561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11436717953231538975}, 'section': 'Section::::Abstract.'}]}]