CREATE TABLE table_13336122_7 (no_in_season INT, us_viewers__million_ VARCHAR)

What's the season number of the episode watched by 0.57 million US viewers?
SELECT MAX(no_in_season) FROM table_13336122_7 WHERE us_viewers__million_ = "0.57"
SELECT MAX("no_in_season") FROM "table_13336122_7" WHERE "0.57" = "us_viewers__million_"