Question: when did justin bieber release his first album
[{'answer': '2010', 'provenance': [{'wikipedia_id': '23680998', 'title': 'Justin Bieber', 'start_paragraph_id': 1, 'start_character': 531, 'end_paragraph_id': 1, 'end_character': 535, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23680998', 'title': 'Justin Bieber', 'start_paragraph_id': 1, 'start_character': 19, 'end_paragraph_id': 1, 'end_character': 655, 'bleu_score': 0.65390037184212, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17920367852724840374}, 'section': 'Section::::Abstract.'}]}]