query: SELECT home_city FROM driver EXCEPT SELECT home_city FROM driver WHERE age  >  40
question: Are Showing all a home city except for them a-having the a driver more older to 40.
query_toks: SELECT home_city FROM driver EXCEPT SELECT home_city FROM driver WHERE age > 40
query_toks_no_value: select home_city from driver except select home_city from driver where age > value
question_toks: Are Showing all a home city except for them a-having the a driver more older to 40.