Write SQL query to solve given problem: Who is the alderman in the ward associated with the crime with report number 23769?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.alderman_first_name, T2.alderman_last_name FROM Crime AS T1 INNER JOIN Ward AS T2 ON T2.ward_no = T1.ward_no WHERE T1.report_no = 23769