Question: Barrier Device starred which Canadian actress, known for a role on "Grey's Anatomy", as a sex researcher?
Sentence (from "Sandra Oh"): Sandra Miju Oh (born July 20, 1971) is a Canadian actress known for her role as Cristina Yang on ABC's medical drama "Grey's Anatomy", a role that earned her a Golden Globe, two Screen Actors Guild awards, and five nominations for Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series.
Relevant evidence: Yes