CREATE TABLE table_26024 ("Series #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( in millions ) " TEXT)

What is the director name is the U.S. viewers is 2.22 million?
SELECT "Directed by" FROM table_26024 WHERE "U.S. viewers (in millions)" = '2.22'
SELECT "Directed by" FROM "table_26024" WHERE "U.S. viewers (in millions)" = '2.22'