Who wrote the episode having a US viewership of 3.74 million?
CREATE TABLE table_27905664_1 (written_by VARCHAR, us_viewers__million_ VARCHAR)
SELECT written_by FROM table_27905664_1 WHERE us_viewers__million_ = "3.74"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27905664_1 (written_by VARCHAR, us_viewers__million_ VARCHAR) Question: Who wrote the episode having a US viewership of 3.74 million? [/INST] SELECT written_by FROM table_27905664_1 WHERE us_viewers__million_ = "3.74" </s>