What is highest rating for the most recent movie and when was it released?
SELECT max(T1.stars) ,  T2.year FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID  =  T2.mID WHERE T2.year  =  (SELECT max(YEAR) FROM Movie)
highest rating refers to MAX(rating); most recent movie refers to MAX(year); when it was released refers to the year of the movie;