Question: who sang look what you've done to my song
[{'answer': 'Taylor Swift', 'provenance': [{'wikipedia_id': '55021748', 'title': 'Look What You Made Me Do', 'start_paragraph_id': 1, 'start_character': 76, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55021748', 'title': 'Look What You Made Me Do', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 574, 'bleu_score': 0.83034238273833, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 726035471891297990}, 'section': 'Section::::Abstract.'}]}]