CREATE TABLE COUNTRIES (CountryName VARCHAR(255), Continent VARCHAR(255), CountryId VARCHAR(255)); CREATE TABLE CONTINENTS (ContId VARCHAR(255), Continent VARCHAR(255)); CREATE TABLE CAR_MAKERS (Country VARCHAR(255))
Which countries in europe have at least 3 car manufacturers?
    
SQL: SELECT T1.CountryName FROM COUNTRIES AS T1 JOIN CONTINENTS AS T2 ON T1.Continent = T2.ContId JOIN CAR_MAKERS AS T3 ON T1.CountryId = T3.Country WHERE T2.Continent = 'europe' GROUP BY T1.CountryName HAVING COUNT(*) >= 3