What is the first name, gpa and phone number of the top 5 students with highest gpa?
SELECT stu_gpa ,  stu_phone ,  stu_fname FROM student ORDER BY stu_gpa DESC LIMIT 5
top 5 students with highest GPA refers to ORDER BY stu_gpa DESC LIMIT 5; first name refers to stu_fname; GPA refers to stu_gpa; phone number refers to stu_phone;