CREATE TABLE table_203_406 (id NUMBER, "entrant" CLOB, "constructor" CLOB, "chassis" CLOB, "engine" CLOB, "tyre" CLOB, "driver" CLOB, "rounds" CLOB)

was the ferrari engine used by scuderia ferrari a v6 or v8 ?
SELECT DISTINCT "engine" FROM table_203_406 WHERE "entrant" = 'scuderia ferrari spa sefac'
SELECT DISTINCT "engine" FROM "table_203_406" WHERE "entrant" = 'scuderia ferrari spa sefac'