Question: What American actor, best known for his role as Gunnery Sergeant Emil Foley in the 1982 film "An Officer and a Gentleman", and his role as Fiddler in the 1977 ABC television miniseries "Roots", was also nominated for Best Actor at the Emmys for Backstairs at the White House?
{'answer': 'Louis Gossett Jr.', 'supporting_facts': [['Backstairs at the White House', 0], ['Louis Gossett Jr.', 0], ['Louis Gossett Jr.', 1]]}