Who wrote the episode "The Dream Lover", which was viewed by 3.96 million viewers?
CREATE TABLE table_17467578_1 (written_by VARCHAR, us_viewers__million_ VARCHAR)
SELECT written_by FROM table_17467578_1 WHERE us_viewers__million_ = "3.96"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_17467578_1 (written_by VARCHAR, us_viewers__million_ VARCHAR) Question: Who wrote the episode "The Dream Lover", which was viewed by 3.96 million viewers? [/INST] SELECT written_by FROM table_17467578_1 WHERE us_viewers__million_ = "3.96" </s>