How many millions of viewers watched episode 15?
CREATE TABLE table_11230937_2 (us_viewers__millions_ VARCHAR, no_in_season VARCHAR)
SELECT us_viewers__millions_ FROM table_11230937_2 WHERE no_in_season = 15
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_11230937_2 (us_viewers__millions_ VARCHAR, no_in_season VARCHAR) Question: How many millions of viewers watched episode 15? [/INST] SELECT us_viewers__millions_ FROM table_11230937_2 WHERE no_in_season = 15 </s>