Name who wrote the episode that had 7.56 million viewers
CREATE TABLE table_16951593_1 (
    written_by VARCHAR,
    us_viewers__millions_ VARCHAR
)
SELECT written_by FROM table_16951593_1 WHERE us_viewers__millions_ = "7.56"
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: Name who wrote the episode that had 7.56 million viewers ### Input: CREATE TABLE table_16951593_1 (
    written_by VARCHAR,
    us_viewers__millions_ VARCHAR
) ### Response: SELECT written_by FROM table_16951593_1 WHERE us_viewers__millions_ = "7.56"