In what years did a movie receive a 4 or 5 star rating, and list the years from oldest to most recently?
SELECT DISTINCT YEAR FROM Movie AS T1 JOIN Rating AS T2 ON T1.mID  =  T2.mID WHERE T2.stars  >=  4 ORDER BY T1.year
4 or 5 star rating refers to stars >= 4; list years from oldest to most recent refers to ORDER BY year ASC (though ASC is default and can be omitted for ascending order); years a movie received a specific rating involves joining movie and rating data tables.