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

Question: Find the names of all directors whose movies are rated by Sarah Martinez.
SQL: SELECT DISTINCT T2.director 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 = 'Sarah Martinez'