Question: who sings the song i want to swing from the chandelier
[{'answer': 'Sia', 'provenance': [{'wikipedia_id': '42203973', 'title': 'Chandelier (song)', 'start_paragraph_id': 1, 'start_character': 44, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42203973', 'title': 'Chandelier (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 491, 'bleu_score': 0.9437815816129681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17276558095176438717}, 'section': 'Section::::Abstract.'}]}]