what episode number had 11.73 million viewers? 
CREATE TABLE table_24689168_5 (episode VARCHAR, viewers__millions_ VARCHAR)
SELECT episode FROM table_24689168_5 WHERE viewers__millions_ = "11.73"
### Context: CREATE TABLE table_24689168_5 (episode VARCHAR, viewers__millions_ VARCHAR) ### Question: what episode number had 11.73 million viewers?  ### Answer: SELECT episode FROM table_24689168_5 WHERE viewers__millions_ = "11.73"