CREATE TABLE table_71429 ("Country" CLOB, "Film title used in nomination" CLOB, "Language" CLOB, "Original title" CLOB, "Director" CLOB)

Name the original title directed by luis bu uel
SELECT "Original title" FROM table_71429 WHERE "Director" = 'luis buñuel'
SELECT "Original title" FROM "table_71429" WHERE "Director" = 'luis buñuel'