Database: movielens
Question: List the top 10 USA movies, by descending order, from the highest to the lowest, the user rating.
SQL: SELECT T1.movieid FROM u2base AS T1 INNER JOIN movies AS T2 ON T1.movieid = T2.movieid WHERE T2.country = 'USA' GROUP BY T1.movieid ORDER BY AVG(T1.rating) DESC LIMIT 10