instruction: Find the first name and gpa of the students whose gpa is lower than the average gpa of all students Plot them as bar chart, show in descending by the y-axis.
response: SELECT STU_FNAME, SUM(STU_GPA) FROM STUDENT WHERE STU_GPA < (SELECT AVG(STU_GPA) FROM STUDENT) GROUP BY STU_FNAME ORDER BY SUM(STU_GPA) DESC