Question: when was the first mario bros game released
[{'answer': '1983', 'provenance': [{'wikipedia_id': '42128031', 'title': 'Super Mario Bros.', 'start_paragraph_id': 2, 'start_character': 321, 'end_paragraph_id': 2, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]