Question: who wrote the happy birthday to you tune
[{'answer': 'Patty and Mildred J. Hill', 'provenance': [{'wikipedia_id': '87328', 'title': 'Happy Birthday to You', 'start_paragraph_id': 1, 'start_character': 497, 'end_paragraph_id': 1, 'end_character': 522, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '87328', 'title': 'Happy Birthday to You', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 597, 'bleu_score': 0.8471264983441341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8659725511445329031}, 'section': 'Section::::Abstract.'}]}]