Task: Text to Code
Input (English): Step 1: For each row in Apartment_Buildings table, find the corresponding rows in Apartments table.
Step 2: find the summation of bathroom_count in the results of step 1 whose building_full_name contains Columbus Square
Output (English): SELECT Sum ( T2.bathroom_count ) FROM Apartment_Buildings AS T1 JOIN Apartments AS T2 ON T1.building_id = T2.building_id WHERE T1.building_full_name LIKE "Columbus Square"