Question: when did twenty one pilots release their first album
[{'answer': '2009', 'provenance': [{'wikipedia_id': '38337784', 'title': 'Twenty One Pilots', 'start_paragraph_id': 1, 'start_character': 142, 'end_paragraph_id': 1, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38337784', 'title': 'Twenty One Pilots', 'start_paragraph_id': 2, 'start_character': 36, 'end_paragraph_id': 2, 'end_character': 696, 'bleu_score': 0.6627791157914951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3406886807459741456}, 'section': 'Section::::Abstract.'}]}]