Table schema:
CREATE TABLE Reviewer (rID VARCHAR, name VARCHAR); CREATE TABLE Rating (mID VARCHAR); CREATE TABLE Rating (mID VARCHAR, rID VARCHAR)

Question: What are the ids of the movies that are not reviewed by Brittany Harris.
SQL: SELECT mID FROM Rating EXCEPT SELECT T1.mID FROM Rating AS T1 JOIN Reviewer AS T2 ON T1.rID = T2.rID WHERE T2.name = "Brittany Harris"