Question: when did the miami marlins became a team
[{'answer': '2012', 'provenance': [{'wikipedia_id': '27679685', 'title': 'History of the Miami Marlins', 'start_paragraph_id': 6, 'start_character': 549, 'end_paragraph_id': 6, 'end_character': 553, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:1990–1996: Early years.\n'}]}, {'provenance': [{'wikipedia_id': '27679685', 'title': 'History of the Miami Marlins', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 253, 'bleu_score': 0.8072161461692111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4728406391158541217}, 'section': 'Section::::Abstract.'}]}]