CREATE TABLE table_26386 ("Branding" TEXT, "Callsign" TEXT, "Frequency" TEXT, "Power kW" TEXT, "Coverage" TEXT)

What is the frequency when radio station branding is 106.3 energy fm naga?
SELECT "Frequency" FROM table_26386 WHERE "Branding" = '106.3 Energy FM Naga'
SELECT "Frequency" FROM "table_26386" WHERE "Branding" = '106.3 Energy FM Naga'