Question: who sings wings of a snow white dove
[{'answer': 'Ferlin Husky', 'provenance': [{'wikipedia_id': '24890503', 'title': 'Wings of a Dove (Bob Ferguson song)', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]