CREATE TABLE table_57146 ("Number & Name" TEXT, "Description" TEXT, "Livery" TEXT, "Owner ( s ) " TEXT, "Date" FLOAT)

Which owner has a description of Mark 1 CK and is dated 1953?
SELECT "Owner(s)" FROM table_57146 WHERE "Date" = '1953' AND "Description" = 'mark 1 ck'
SELECT "Owner(s)" FROM "table_57146" WHERE "Date" = '1953' AND "Description" = 'mark 1 ck'