Who directed the episode with 6.37 million viewers?
CREATE TABLE table_27927185_1 (directed_by VARCHAR, viewers__millions_ VARCHAR)
SELECT directed_by FROM table_27927185_1 WHERE viewers__millions_ = "6.37"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27927185_1 (directed_by VARCHAR, viewers__millions_ VARCHAR) Question: Who directed the episode with 6.37 million viewers? [/INST] SELECT directed_by FROM table_27927185_1 WHERE viewers__millions_ = "6.37" </s>