Question: What is the nationality of the actress who plays Brittany in "Sexy"?

Related documents: [0]  [DOC] Heather Elizabeth Morris (born February 1, 1987) is an American actress, dancer, singer and model, known for her role as Brittany S. Pierce in the Fox musical comedy-drama series "Glee". [END] 
[1]  [DOC] "Sexy" is the fifteenth episode of the second season of the American musical comedy-drama television series "Glee", and the thirty-seventh episode overall. It was written by Brad Falchuk, directed by Ryan Murphy, and first aired on the Fox network on March 8, 2011. The episode mainly revolves around the topics of sex and adolescent sexuality. In it, Holly Holliday (Gwyneth Paltrow) returns to McKinley High School as a substitute teacher in a class devoted to sex education. Glee club director Will Schuester (Matthew Morrison) begins to develop feelings for Holly, and guidance counselor and celibacy club advisor Emma Pillsbury (Jayma Mays) is less than pleased with Holly's lessons. Santana (Naya Rivera) expresses her love for Brittany (Heather Morris), and Burt Hummel (Mike O'Malley) has a talk with his son Kurt (Chris Colfer) about sex. [END]  
Answer: American
American