Task: Text to Code
Input (English): SQL: SELECT T1.phone_number FROM Customers AS T1 WHERE T1.customer_id IN ( SELECT T2.customer_id FROM Complaints AS T2 )
Feedback: Find only for largest value of date complaint raised .
Output (English): SELECT t1.phone_number FROM customers AS t1 JOIN complaints AS t2 ON t1.customer_id  =  t2.customer_id ORDER BY t2.date_complaint_raised DESC LIMIT 1