Exercise II: Relational Algebra (25 marks) Student(Sid, Sname, Level, Major) Course(CourseId, Title, DeptId ) Department(DeptId, DeptName, Location) Enroll(Sid, CourseId, DeptId, EnrDate) ClubMemebr(Club, headClub Id, Sid, startDate) Note that, Student.Major=Department.DeptName and club.headClub Id=student.Sid Express the following English queries in Relation algebra expression 1. Find name of students who whove register for the French club (5 marks) 2. Find student who is heading the Book club?(5 marks) 3. Find IDs and Name of students in 400 levels that have enrolled a course that belong to the computer science (CS) department.(5 marks) 4. Draw the tree expression of the result gotten in the question (3) (5 marks) 5. Find the club that Usman (student) from computer science (CS) belongs to (5 marks)