What are the names of the movies that was reviewed by brittany harris?
SELECT DISTINCT T2.title FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID   =   T2.mID JOIN Reviewer AS T3 ON T1.rID   =   T3.rID WHERE T3.name   =   'Brittany Harris'
movies reviewed by a specific person ('Brittany Harris') involves joining tables (Rating, Movie, Reviewer) and filtering by reviewer name; distinct movie titles means eliminating duplicate titles in the result.