Database: beer_factory
Question: List out the root beer ID for the brand Bulldog, Bundaberg, Dad's, Dog n Suds and Virgil's.
SQL: SELECT T1.RootBeerID FROM rootbeer AS T1 INNER JOIN rootbeerbrand AS T2 ON T2.BrandID = T1.BrandID WHERE T2.BrandName IN ('Bulldog', 'Bundaberg', 'Dad''s', 'Dog n Suds', 'Virgil''s')