Question: Among the crimes reported to the ward located at 1958 N. Milwaukee Ave., list down the report number of the crimes happened inside the apartment.
SQL: SELECT T1.case_number FROM Crime AS T1 INNER JOIN Ward AS T2 ON T2.ward_no = T1.ward_no WHERE T1.location_description = 'APARTMENT' AND T2.ward_office_address = '1958 N. Milwaukee Ave.'