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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21025437_5 (viewers__millions_ VARCHAR, episode_no VARCHAR) Question: How many million viewers watched episode number 20? [/INST] SELECT viewers__millions_ FROM table_21025437_5 WHERE episode_no = 20 </s>