Task: Text to Code
Input (English): Step 1: find the Citizenship of singer table for which Birth_Year greater than 1945.
Step 2: find the Citizenship of singer table for which Birth_Year less than 1955.
Step 3: show the rows that are in both the results of step 1 and the results of step 2
Output (English): SELECT Citizenship FROM singer WHERE Birth_Year > 1945 INTERSECT SELECT Citizenship FROM singer WHERE Birth_Year < 1955