Question: who sang we are never getting back together
[{'answer': 'Taylor Swift', 'provenance': [{'wikipedia_id': '36715956', 'title': 'We Are Never Ever Getting Back Together', 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36715956', 'title': 'We Are Never Ever Getting Back Together', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 688, 'bleu_score': 0.8909464547638851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14030495543367447678}, 'section': 'Section::::Abstract.'}]}]