CREATE TABLE driver (Driver_ID NUMBER, Name CLOB, Party CLOB, Home_city CLOB, Age NUMBER)
CREATE TABLE school (School_ID NUMBER, Grade CLOB, School CLOB, Location CLOB, Type CLOB)
CREATE TABLE school_bus (School_ID NUMBER, Driver_ID NUMBER, Years_Working NUMBER, If_full_time BOOLEAN)

Plot the average of age by grouped by home city as a bar graph, could you sort by the bar from high to low?
SELECT Home_city, AVG(Age) FROM driver GROUP BY Home_city ORDER BY Home_city DESC
SELECT "Home_city", AVG("Age") FROM "driver" GROUP BY "Home_city" ORDER BY "Home_city" DESC