CREATE TABLE table_30769 ("Branding" CLOB, "Callsign" CLOB, "Frequency" CLOB, "Power  ( kW ) " CLOB, "Station Type" CLOB, "Location" CLOB)

Where are the broadcasting companys with the callsign DWRH located?
SELECT "Location" FROM table_30769 WHERE "Callsign" = 'DWRH'
SELECT "Location" FROM "table_30769" WHERE "Callsign" = 'DWRH'