Question: "Happy Birthday to You", more commonly known as simply "Happy Birthday", is a song that is traditionally sung to celebrate the anniversary of a person's birth, the melody, comes from the song "Good Morning to All", which has traditionally been attributed to American sisters Patty and who, which was an American songwriter and musicologist?
{'answer': 'Mildred J. Hill', 'supporting_facts': [['Happy Birthday to You', 3], ['Mildred J. Hill', 0]]}