Show all home cities except for those having a driver older than 40.
CREATE TABLE driver (home_city VARCHAR, age INTEGER)
SELECT home_city FROM driver EXCEPT SELECT home_city FROM driver WHERE age > 40
### Context: CREATE TABLE driver (home_city VARCHAR, age INTEGER) ### Question: Show all home cities except for those having a driver older than 40. ### Answer: SELECT home_city FROM driver EXCEPT SELECT home_city FROM driver WHERE age > 40