Question: when did mindless behavior start in the music business
[{'answer': '2008', 'provenance': [{'wikipedia_id': '30902154', 'title': 'Mindless Behavior', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30902154', 'title': 'Mindless Behavior', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 474, 'bleu_score': 0.9269844002168611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1366047070797093447}, 'section': 'Section::::Abstract.'}]}]