CREATE TABLE table_65963 ("Frequency" TEXT, "Call sign" TEXT, "Branding" TEXT, "Format" TEXT, "Owner" TEXT)

What is the Call Sign of the Frequency by Owner CKUA Radio Foundation?
SELECT "Call sign" FROM table_65963 WHERE "Owner" = 'ckua radio foundation'
SELECT "Call sign" FROM "table_65963" WHERE "Owner" = 'ckua radio foundation'