query: SELECT T2.title ,  T1.stars ,  T2.director ,  max(T1.stars) FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID  =  T2.mID WHERE director != "null" GROUP BY director
question: For each director, return the director's name together with the title of the movie direct which what receive the most high rating among all of they movies, and the value of that there rating. Ignore movies whose director NULL.
query_toks: SELECT T2.title , T1.stars , T2.director , max ( T1.stars ) FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID = T2.mID WHERE director ! = `` null '' GROUP BY director
query_toks_no_value: select t2 . title , t1 . stars , t2 . director , max ( t1 . stars ) from rating as t1 join movie as t2 on t1 . mid = t2 . mid where director ! = value group by director
question_toks: For each director, return the director's name together with the title of the movie direct which what receive the most high rating among all of they movies, and the value of that there rating. Ignore movies whose director NULL.