CREATE TABLE table_15046 ("Country" TEXT, "Film title used in nomination" TEXT, "Language" TEXT, "Original title" TEXT, "Director" TEXT)

What was the film title used in nomination for the film directed by Gheorghe Vitanidis?
SELECT "Film title used in nomination" FROM table_15046 WHERE "Director" = 'gheorghe vitanidis'
SELECT "Film title used in nomination" FROM "table_15046" WHERE "Director" = 'gheorghe vitanidis'