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
What is the phone number of the customer who has filed the most recent complaint?
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
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 value
What is the phone number of the customer who has filed the most recent complaint ?