CREATE TABLE table_14929574_3 (series__number VARCHAR2, us_viewers__million_ VARCHAR2)

Which episode number drew in 3.35 million viewers in the United States?
SELECT COUNT(series__number) FROM table_14929574_3 WHERE us_viewers__million_ = "3.35"
SELECT COUNT("series__number") FROM "table_14929574_3" WHERE "3.35" = "us_viewers__million_"