What is the director name is the U.S. viewers is 2.22 million?
CREATE TABLE table_23399481_2 (directed_by VARCHAR, us_viewers__in_millions_ VARCHAR)
SELECT directed_by FROM table_23399481_2 WHERE us_viewers__in_millions_ = "2.22"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23399481_2 (directed_by VARCHAR, us_viewers__in_millions_ VARCHAR) Question: What is the director name is the U.S. viewers is 2.22 million? [/INST] SELECT directed_by FROM table_23399481_2 WHERE us_viewers__in_millions_ = "2.22" </s>