What is the year of the ceremony with a not nominated result and ničiji sin as the original title?
CREATE TABLE "submissions" (
  "year_ceremony" text,
  "film_title_used_in_nomination" text,
  "original_title" text,
  "director_s" text,
  "result" text
);
SELECT "year_ceremony" FROM "submissions" WHERE "result"='not nominated' AND "original_title"='ničiji sin';