CREATE TABLE table_41023 ("City of license" TEXT, "Identifier" TEXT, "Frequency" TEXT, "Power" TEXT, "Class" TEXT, "RECNet" TEXT)

Which city has a C1 class and Identifier of CBCD-FM?
SELECT "City of license" FROM table_41023 WHERE "Class" = 'c1' AND "Identifier" = 'cbcd-fm'
SELECT "City of license" FROM "table_41023" WHERE "Class" = 'c1' AND "Identifier" = 'cbcd-fm'