Question: where did carol of the bells come from
[{'answer': 'lyrics by Peter J. Wilhousky', 'provenance': [{'wikipedia_id': '1424278', 'title': 'Carol of the Bells', 'start_paragraph_id': 1, 'start_character': 114, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': "based on the Ukrainian folk chant `` Shchedryk '' ."}, {'answer': 'music by Ukrainian composer Mykola Leontovych in 1914'}, {'provenance': [{'wikipedia_id': '1424278', 'title': 'Carol of the Bells', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 317, 'bleu_score': 0.81295403234689, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15529004262836702729}, 'section': 'Section::::Abstract.'}]}]