complete the blank corresponding to this code, not a new one

STUDENT (sid, firstname, lastname, copa, contactno) ENROLLMENT(sid, cid) COURSE(cid, name, code, type, credit) SECTION(stid, classroom day, capacity, cid) By using the given diagram above, a function is defined to count the number of courses in the given classroom like given below. CREATE FUNCTION GET COURSE_COUNT O CLASSROOM IN VARCHAR2) RETURN NUMBER 15 CURSOR COUNTCUR IS SELECT CCID FROM COURSE CSECTIONS WHERE CCIDES.CID AND CLASSROOM = | CLASSROOM V COUNT NUMBER BEGIN END; Complete this function to return the count of number of courses for a given classroom (Note that line numbers may differ. This is just a visualization. Also, you are free to choose different type of alternatives. No need to write the whole function)