Database: chicago_crime
Question: List the location descriptions and aldermen's full names of the arson by explosive.
SQL: SELECT T2.location_description, T1.alderman_first_name, T1.alderman_last_name, T1.alderman_name_suffix FROM Ward AS T1 INNER JOIN Crime AS T2 ON T2.ward_no = T1.ward_no INNER JOIN IUCR AS T3 ON T3.iucr_no = T2.iucr_no WHERE T3.primary_description = 'ARSON' AND T3.secondary_description = 'BY EXPLOSIVE'