What's the total number of directors who've directed episodes seen by 11.34 million US viewers?
CREATE TABLE table_12159115_2 (directed_by VARCHAR, us_viewers__millions_ VARCHAR)
SELECT COUNT(directed_by) FROM table_12159115_2 WHERE us_viewers__millions_ = "11.34"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_12159115_2 (directed_by VARCHAR, us_viewers__millions_ VARCHAR) Question: What's the total number of directors who've directed episodes seen by 11.34 million US viewers? [/INST] SELECT COUNT(directed_by) FROM table_12159115_2 WHERE us_viewers__millions_ = "11.34" </s>