Task: Text to Code
Input (English): Step 1: find the StuID of Student table for which Age equals 18.
Step 2: find the StuID of Student table for which Age equals 20.
Step 3: show the rows that are in both the results of step 1 and the results of step 2
Output (English): SELECT StuID FROM Student WHERE Age = 18 INTERSECT SELECT StuID FROM Student WHERE Age = 20