CREATE TABLE table_22353769_3 (episode__number VARCHAR2, viewers__millions_ VARCHAR2)

How many epsidode(s) had 3.63 million viewers?
SELECT COUNT(episode__number) FROM table_22353769_3 WHERE viewers__millions_ = "3.63"
SELECT COUNT("episode__number") FROM "table_22353769_3" WHERE "3.63" = "viewers__millions_"