CREATE TABLE table_203_306 (id DECIMAL, "no." DECIMAL, "title" TEXT, "directed by" TEXT, "written by" TEXT, "original air date" TEXT)

what is the name of the last title listed in this chart ?
SELECT "title" FROM table_203_306 ORDER BY id DESC LIMIT 1
SELECT "title" FROM "table_203_306" ORDER BY "id" DESC NULLS LAST LIMIT 1