how many episode have 8.4 millions  viewer.
CREATE TABLE table_2112766_1 (episode VARCHAR, viewers__in_millions_ VARCHAR)
SELECT COUNT(episode) FROM table_2112766_1 WHERE viewers__in_millions_ = "8.4"
### Context: CREATE TABLE table_2112766_1 (episode VARCHAR, viewers__in_millions_ VARCHAR) ### Question: how many episode have 8.4 millions  viewer. ### Answer: SELECT COUNT(episode) FROM table_2112766_1 WHERE viewers__in_millions_ = "8.4"