Question: Frank Oz, who worked closely with American theatre and film director Jack Smight, was known for being the puppeteer and voice of which Star Wars character?
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