Question: when did shawn mendes first album come out
[{'answer': 'April 14 , 2015', 'provenance': [{'wikipedia_id': '45331215', 'title': 'Handwritten (Shawn Mendes album)', 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45331215', 'title': 'Handwritten (Shawn Mendes album)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 485, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14826654160625681094}, 'section': 'Section::::Abstract.'}]}]