Question: B Sides and Rarities is a compilation album by American pop singer Andy Williams that included a cover of a song originally recorded by who?
{'answer': 'Kelly Gordon', 'supporting_facts': [['B Sides and Rarities (Andy Williams album)', 0], ['B Sides and Rarities (Andy Williams album)', 1], ["He Ain't Heavy, He's My Brother", 0], ["He Ain't Heavy, He's My Brother", 1]]}