Task: Text to Code
Input (English): Step 1: For each row in Customers table, find the corresponding rows in Policies table.
Step 2: find Customer_Details of the results of step 1 with largest value of End_Date
Output (English): SELECT T1.Customer_Details FROM Customers AS T1 JOIN Policies AS T2 ON T1.Customer_ID = T2.Customer_ID ORDER BY T2.End_Date Desc LIMIT 1