Question: The Adventures of Elmo in Grouchland was a 1999 film which involved the use of puppets from a puppeteer who was also the voice of what character from "Star Wars"?
Sentence (from "Frank Oz"): His career began as a puppeteer, where he performed the Muppet characters of Miss Piggy, Fozzie Bear, Animal, and Sam Eagle in "The Muppet Show", and Cookie Monster, Bert, and Grover in "Sesame Street".
Relevant evidence: No