Question: who sings have yourself a merry little christmas
[{'answer': 'Judy Garland', 'provenance': [{'wikipedia_id': '1322392', 'title': 'Have Yourself a Merry Little Christmas', 'start_paragraph_id': 1, 'start_character': 108, 'end_paragraph_id': 1, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]