Show the avatar of the user who gave the rating at 2019/10/17 1:36:36.
at 2019/10/17 1:36:36 refers to rating_timestamp_utc = '2019/10/17 1:36:36'; avatar of the user refers to user_avatar_image_url


SELECT T2.user_avatar_image_url FROM ratings AS T1 INNER JOIN lists_users AS T2 ON T1.user_id = T2.user_id WHERE T1.rating_timestamp_utc LIKE '2019-10-17 01:36:36'