CREATE TABLE table_17762 ("No." FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Bens location" CLOB, "Original air date" CLOB, "U.S. viewers  ( million ) " CLOB)

Who directed the episode with 3.19 million u.s. viewers?
SELECT "Directed by" FROM table_17762 WHERE "U.S. viewers (million)" = '3.19'
SELECT "Directed by" FROM "table_17762" WHERE "U.S. viewers (million)" = '3.19'