Task: Text to Code
Input (English): SQL: SELECT T1.course_name FROM Courses AS T1 WHERE T1.course_name NOT IN ( SELECT T2.semester_name FROM Semesters AS T2 )
Feedback: Find those semester name whose semester id not present in student enrolment table .
Output (English): SELECT semester_name FROM Semesters WHERE semester_id NOT IN( SELECT semester_id FROM Student_Enrolment )