Write SQL query to solve given problem: For the client who made the complaint call "CR0217298", what was his/her birthday？. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.month, T1.day FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T2.`Complaint ID` = 'CR0217298'