What is the average rating for tv asahi?
CREATE TABLE table_18539834_2 (average_ratings VARCHAR, tv_station VARCHAR)
SELECT average_ratings FROM table_18539834_2 WHERE tv_station = "TV Asahi"
### Context: CREATE TABLE table_18539834_2 (average_ratings VARCHAR, tv_station VARCHAR) ### Question: What is the average rating for tv asahi? ### Answer: SELECT average_ratings FROM table_18539834_2 WHERE tv_station = "TV Asahi"