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