Task: Text to Code
Input (English): Step 1: find the name of student table.
Step 2: For each row in department table, find corresponding rows in course table and in student table.
Step 3: find name of the results of step 2 whose course's dept_name equals Biology.
Step 4: show the rows that are in the results of step 1 but not in the results of step 3
Output (English): SELECT T1.name FROM student AS T1 EXCEPT SELECT T1.name FROM department AS T2 JOIN course AS T3 ON T3.dept_name = T2.dept_name JOIN student AS T1 ON T2.dept_name = T1.dept_name WHERE T3.dept_name = "Biology"