SCHEMA:
CREATE TABLE ENROLLED_IN (CID VARCHAR); CREATE TABLE COURSE (CName VARCHAR, CID VARCHAR)
USER:
What are the name of courses that have at least five enrollments?

QUERY:
SELECT T1.CName FROM COURSE AS T1 JOIN ENROLLED_IN AS T2 ON T1.CID = T2.CID GROUP BY T2.CID HAVING COUNT(*) >= 5