Find the name and id of the good with the highest average rank.
CREATE TABLE review (i_id VARCHAR, rank INTEGER); CREATE TABLE item (title VARCHAR, i_id VARCHAR)
[SQL] SELECT T1.title, T1.i_id FROM item AS T1 JOIN review AS T2 ON T1.i_id = T2.i_id GROUP BY T2.i_id ORDER BY AVG(T2.rank) DESC LIMIT 1 [/SQL]