How many vandalisms were arrested in the ward represented by Edward Burke?
vandalism refers to title = 'Vandalism'; arrested refers to arrest = 'TRUE'
SELECT SUM(CASE WHEN T1.alderman_last_name = 'Burke' THEN 1 ELSE 0 END) FROM Ward AS T1 INNER JOIN Crime AS T2 ON T1.ward_no = T2.ward_no INNER JOIN FBI_Code AS T3 ON T2.fbi_code_no = T3.fbi_code_no WHERE T3.title = 'Vandalism' AND T2.arrest = 'TRUE' AND T1.alderman_first_name = 'Edward'