instruction: What are the titles and directors of the movies whose star is greater than the average stars of the movies directed by James Cameron?
response: SELECT T2.title, T2.director FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID = T2.mID WHERE T1.stars > (SELECT AVG(T1.stars) FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID = T2.mID WHERE T2.director = "James Cameron")