CREATE TABLE table_15020 ("Country" CLOB, "Film title used in nomination" CLOB, "Language" CLOB, "Original name" CLOB, "Director" CLOB)

Which movie originated in Bulgaria?
SELECT "Film title used in nomination" FROM table_15020 WHERE "Country" = 'bulgaria'
SELECT "Film title used in nomination" FROM "table_15020" WHERE "Country" = 'bulgaria'