Question: who sang it's such a perfect day
[{'answer': 'Lou Reed', 'provenance': [{'wikipedia_id': '848195', 'title': 'Perfect Day (Lou Reed song)', 'start_paragraph_id': 0, 'start_character': 13, 'end_paragraph_id': 0, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '848195', 'title': 'Perfect Day (Lou Reed song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 508, 'bleu_score': 0.7785021047189901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13868245416816533473}, 'section': 'Section::::Abstract.'}]}]