CREATE TABLE table_524 ("Branding" CLOB, "Callsign" CLOB, "Ch. #" CLOB, "Power  ( kW ) " CLOB, "Station Type" CLOB, "Location  ( Transmitter site ) " CLOB)

What is the callsign of tuguegarao
SELECT "Callsign" FROM table_524 WHERE "Location (Transmitter site)" = 'Tuguegarao'
SELECT "Callsign" FROM "table_524" WHERE "Location (Transmitter site)" = 'Tuguegarao'