Task: Text to Code
Input (English): Step 1: For each row in Teachers table, find the corresponding rows in Assessment_Notes table.
Step 2: find notes_id of the results of step 1 whose last_name equals Schuster
Output (English): SELECT T2.notes_id FROM Teachers AS T1 JOIN Assessment_Notes AS T2 ON T1.teacher_id = T2.teacher_id WHERE T1.last_name = "Schuster"