CREATE TABLE table_58724 ("Frequency" FLOAT, "Power D/N" TEXT, "Callsign" TEXT, "Brand" TEXT, "City of License" TEXT)

What callsign has 1300 as the frequency?
SELECT "Callsign" FROM table_58724 WHERE "Frequency" = '1300'
SELECT "Callsign" FROM "table_58724" WHERE "Frequency" = '1300'