Question: Severns Valley Baptist Church has hosted events featuring what southern gospel group out of Beaver Dam, Kentucky, who have had sixteen No. 1 songs on the national radio charts?
{'answer': 'The Crabb Family', 'supporting_facts': [['Severns Valley Baptist Church', 0], ['Severns Valley Baptist Church', 2], ['The Crabb Family', 0], ['The Crabb Family', 1]]}