Question: Sierra Marjory Boggess s best known for originating the Broadway role of a fictional Disney character who is the only princess to become what?
Sentence (from "Bill Farmer"): William "Bill" Farmer (born November 14, 1952) is an American voice actor and comedian, who is known for his role of being the current voice of the Disney character Goofy since 1987.
Relevant evidence: No