How many million viewers watched episode number 20?
CREATE TABLE table_21025437_5 (viewers__millions_ VARCHAR, episode_no VARCHAR)
SELECT viewers__millions_ FROM table_21025437_5 WHERE episode_no = 20
### Context: CREATE TABLE table_21025437_5 (viewers__millions_ VARCHAR, episode_no VARCHAR) ### Question: How many million viewers watched episode number 20? ### Answer: SELECT viewers__millions_ FROM table_21025437_5 WHERE episode_no = 20