Question: when was ed sheeran's first album released
[{'answer': 'September 2011', 'provenance': [{'wikipedia_id': '30528002', 'title': 'Ed Sheeran', 'start_paragraph_id': 1, 'start_character': 424, 'end_paragraph_id': 1, 'end_character': 438, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30528002', 'title': 'Ed Sheeran', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 914, 'bleu_score': 0.854710887210628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9726542625341414946}, 'section': 'Section::::Abstract.'}]}]