Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_25084227_1 (written_by VARCHAR, us_viewers__in_millions_ VARCHAR)
### Question:
if the 2.09 million US viewers watched this episode, who was it written by
### Answer:
SELECT written_by FROM table_25084227_1 WHERE us_viewers__in_millions_ = "2.09"