Who directed the episode where u.s. viewers (million) is 12.90?
CREATE TABLE table_10701133_1 (
    directed_by VARCHAR,
    us_viewers__million_ VARCHAR
)
SELECT directed_by FROM table_10701133_1 WHERE us_viewers__million_ = "12.90"
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: Who directed the episode where u.s. viewers (million) is 12.90? ### Input: CREATE TABLE table_10701133_1 (
    directed_by VARCHAR,
    us_viewers__million_ VARCHAR
) ### Response: SELECT directed_by FROM table_10701133_1 WHERE us_viewers__million_ = "12.90"