CREATE TABLE table_77055 ("City of license" TEXT, "Identifier" TEXT, "Frequency" TEXT, "Power" TEXT, "Class" TEXT, "RECNet" TEXT)

what is the Identifier with 94.9 fm Frequency
SELECT "Identifier" FROM table_77055 WHERE "Frequency" = '94.9 fm'
SELECT "Identifier" FROM "table_77055" WHERE "Frequency" = '94.9 fm'