How many episodes in the season had 3.81 million US viewers?
CREATE TABLE table_24319661_3 (
    no_in_season VARCHAR,
    us_viewers__million_ VARCHAR
)
SELECT COUNT(no_in_season) FROM table_24319661_3 WHERE us_viewers__million_ = "3.81"
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: How many episodes in the season had 3.81 million US viewers? ### Input: CREATE TABLE table_24319661_3 (
    no_in_season VARCHAR,
    us_viewers__million_ VARCHAR
) ### Response: SELECT COUNT(no_in_season) FROM table_24319661_3 WHERE us_viewers__million_ = "3.81"