CREATE TABLE table_66626 ("City of license" TEXT, "Identifier" TEXT, "Frequency" TEXT, "Power" TEXT, "Class" TEXT, "RECNet" TEXT)

What Class has the Identifier of CBFX-FM-6?
SELECT "Class" FROM table_66626 WHERE "Identifier" = 'cbfx-fm-6'
SELECT "Class" FROM "table_66626" WHERE "Identifier" = 'cbfx-fm-6'