CREATE TABLE school (school_id NUMBER, grade CLOB, school CLOB, location CLOB, type CLOB)
CREATE TABLE driver (driver_id NUMBER, name CLOB, party CLOB, home_city CLOB, age NUMBER)
CREATE TABLE school_bus (school_id NUMBER, driver_id NUMBER, years_working NUMBER, if_full_time others)

Show the home city with the most number of drivers.
SELECT home_city FROM driver GROUP BY home_city ORDER BY COUNT(*) DESC LIMIT 1
SELECT "home_city" FROM "driver" GROUP BY "home_city" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY