CREATE TABLE table_204_546 (id DECIMAL, "year" DECIMAL, "film" TEXT, "song" TEXT, "language" TEXT)

which of the languages mentioned was used in the most films ?
SELECT "language" FROM table_204_546 GROUP BY "language" ORDER BY COUNT("film") DESC LIMIT 1
SELECT "language" FROM "table_204_546" GROUP BY "language" ORDER BY COUNT("film") DESC NULLS LAST LIMIT 1