CREATE TABLE table_33350 ("Translator Call Letters" TEXT, "B Mountain Channel" TEXT, "Laurel Mountain Channel" TEXT, "PSIP" TEXT, "Station Call Letters" TEXT, "Network Affiliation ID" TEXT, "Original Channel" TEXT, "Signal Quality" TEXT)

What are the translator call letters for station call letters of KCOP-DT?
SELECT "Translator Call Letters" FROM table_33350 WHERE "Station Call Letters" = 'kcop-dt'
SELECT "Translator Call Letters" FROM "table_33350" WHERE "Station Call Letters" = 'kcop-dt'