Database: car_racing
Question: Find the countries in which there are both drivers with make "Dodge" and drivers with make "Chevrolet".
SQL:
SELECT t2.country FROM driver AS t1 JOIN country AS t2 ON t1.country  =  t2.country_id WHERE t1.Make  =  "Dodge" INTERSECT SELECT t2.country FROM driver AS t1 JOIN country AS t2 ON t1.country  =  t2.country_id WHERE t1.Make  =  "Chevrolet"