CREATE TABLE table_66083 ("Frequency" TEXT, "Call sign" TEXT, "Branding" TEXT, "Format" TEXT, "Owner" TEXT)

What is the branding for fm 88.9?
SELECT "Branding" FROM table_66083 WHERE "Frequency" = 'fm 88.9'
SELECT "Branding" FROM "table_66083" WHERE "Frequency" = 'fm 88.9'