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
Negara mana di Eropa yang memiliki setidaknya 3 produsen mobil?
CREATE TABLE COUNTRIES (CountryName VARCHAR, Continent VARCHAR, CountryId VARCHAR); CREATE TABLE CONTINENTS (ContId VARCHAR, Continent VARCHAR); CREATE TABLE CAR_MAKERS (Country VARCHAR)