CREATE TABLE table_20963074_1 (film_title_used_in_nomination VARCHAR, original_title VARCHAR)

Name the film title for la boca del lobo
SELECT film_title_used_in_nomination FROM table_20963074_1 WHERE original_title = "La boca del lobo"
SELECT "film_title_used_in_nomination" FROM "table_20963074_1" WHERE "La boca del lobo" = "original_title"