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_25391981_20 (viewers__millions_ VARCHAR, episode_number VARCHAR)
### Question:
How many viewers in millions watched the episode with the number 10.18?
### Answer:
SELECT viewers__millions_ FROM table_25391981_20 WHERE episode_number = "10.18"