What question did Clara Peller ask in a classic Wendy's ad?

Claire Danes won acclaim for which low-rated 1994 series? Claire Trevor won an Oscar for playing a gangster's girlfriend in which Humphrey Bogart film set on an island? Clara Barton founded the American branch of which organization? Clara Peggotty, Mr. Murdstone and Uriah Heep are characters in which Dickens novel? Clare of Assisi, who died in 1253, was declared what in 1255? Clarence Darrow, Tom Brady and Gerald Ford all attended which university? Clarence Gilyard Jr. cracks the vault for a gang taking over an office tower in which 1988 film? Clarence Thomas replaced which Supreme Court justice who retired in 1991?