What was the rating for the episode that had 5.90 million viewers?
CREATE TABLE table_23730973_5 (
    rating VARCHAR,
    viewers__millions_ VARCHAR
)
SELECT rating FROM table_23730973_5 WHERE viewers__millions_ = "5.90"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What was the rating for the episode that had 5.90 million viewers? ### Input: CREATE TABLE table_23730973_5 (
    rating VARCHAR,
    viewers__millions_ VARCHAR
) ### Response: SELECT rating FROM table_23730973_5 WHERE viewers__millions_ = "5.90"