CREATE TABLE Visits_Restaurant (Id VARCHAR2)
CREATE TABLE Student (Id VARCHAR2)

Which student visited restaurant most often? List student's first name and last name.
SELECT Student.Fname, Student.Lname FROM Student JOIN Visits_Restaurant ON Student.StuID = Visits_Restaurant.StuID GROUP BY Student.StuID ORDER BY COUNT(*) DESC LIMIT 1
SELECT "Student"."Fname", "Student"."Lname" FROM "Student" JOIN "Visits_Restaurant" ON "Student"."StuID" = "Visits_Restaurant"."StuID" GROUP BY "Student"."StuID" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY