Name who directed the episode that was viewed by 4.22 million
CREATE TABLE table_18569389_1 (directed_by VARCHAR, us_viewers__million_ VARCHAR)
SELECT directed_by FROM table_18569389_1 WHERE us_viewers__million_ = "4.22"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18569389_1 (directed_by VARCHAR, us_viewers__million_ VARCHAR) Question: Name who directed the episode that was viewed by 4.22 million [/INST] SELECT directed_by FROM table_18569389_1 WHERE us_viewers__million_ = "4.22" </s>