user: Question: What is the average rating for TV Asahi?
Columns: ['Japanese Title', 'Romaji Title', 'TV Station', 'Time Frame', 'Starring Actors', 'Theme Song(s)', 'Episodes', 'Average Ratings']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['キミ犯人じゃないよね?', 'Kimi Hannin Janai yo ne?', 'TV Asahi', 'Friday 23:15~24:10 11 April 2008 to 13 June 2008', 'Shihori Kanjiya , Jun Kaname', 'YA-KYIM "Super☆Looper"', 10.0, '8.9%']
SQL:

assistant: SELECT "Average Ratings" FROM "Table" WHERE "TV Station" = 'TV Asahi';