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

List names for drivers from Hartford city and younger than 40.
SELECT name FROM driver WHERE home_city = 'Hartford' AND age < 40
SELECT "name" FROM "driver" WHERE "age" < 40 AND "home_city" = 'Hartford'