Task: Text to Code
Input (English): Step 1: For each row in department table, find corresponding rows in instructor table and in student table.
Step 2: find instructor's name of the results of step 1 ordered ascending by tot_cred
Output (English): SELECT T2.name FROM department AS T1 JOIN instructor AS T2 ON T2.dept_name = T1.dept_name JOIN student AS T3 ON T1.dept_name = T3.dept_name ORDER BY T3.tot_cred Asc