How many episodes had 9.90 million viewers?
CREATE TABLE table_12146637_1 (episode_title VARCHAR, us_viewers__millions_ VARCHAR)
SELECT COUNT(episode_title) FROM table_12146637_1 WHERE us_viewers__millions_ = "9.90"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_12146637_1 (episode_title VARCHAR, us_viewers__millions_ VARCHAR) Question: How many episodes had 9.90 million viewers? [/INST] SELECT COUNT(episode_title) FROM table_12146637_1 WHERE us_viewers__millions_ = "9.90" </s>