Question: What role was played by Carrie Fisher, in the 1977 American space opera film written and directed by George Lucas and which features Peter Mayhew, an English-American actor?
Sentence (from "Star Wars (film)"): When the Empire begins a destructive search for the missing droids, Skywalker accompanies Jedi Master Obi-Wan Kenobi (Guinness) on a mission to return the plans to the Rebel Alliance and rescue Leia from her imprisonment by the Empire.
Relevant evidence: No