Question: George O'Malley is a fictional character from the medical drama television series "Grey's Anatomy", O'Malley married Callie Torres, played by which Mexican American actress, singer and songwriter?
Sentence (from "George O'Malley"): George O'Malley is a fictional character from the medical drama television series "Grey's Anatomy", which airs on the American Broadcasting Company (ABC) in the United States.
Relevant evidence: No