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: Each director, are returning director's name together title movie have directed that had received the most high rating all their movie, and value that rating. Ignore movie 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: Each director, are returning director's name together title movie have directed that had received the most high rating all their movie, and value that rating. Ignore movie whose director NULL.