Question: who sings most wonderful time of the year
[{'answer': 'Andy Williams', 'provenance': [{'wikipedia_id': '20433138', 'title': "It's the Most Wonderful Time of the Year", 'start_paragraph_id': 1, 'start_character': 187, 'end_paragraph_id': 1, 'end_character': 200, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]