CREATE TABLE table_28466323_2 (directed_by VARCHAR2, us_viewers__million_ VARCHAR2)

Who directed the episode watched by 2.01 million US viewers?
SELECT directed_by FROM table_28466323_2 WHERE us_viewers__million_ = "2.01"
SELECT "directed_by" FROM "table_28466323_2" WHERE "2.01" = "us_viewers__million_"