What episode number had US viewership of 4.87 million?
CREATE TABLE table_27905664_1 (
    № VARCHAR,
    us_viewers__million_ VARCHAR
)
SELECT № FROM table_27905664_1 WHERE us_viewers__million_ = "4.87"
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 episode number had US viewership of 4.87 million? ### Input: CREATE TABLE table_27905664_1 (
    № VARCHAR,
    us_viewers__million_ VARCHAR
) ### Response: SELECT № FROM table_27905664_1 WHERE us_viewers__million_ = "4.87"