CREATE TABLE table_73028 ("Japanese Title" TEXT, "Romaji Title" TEXT, "TV Station" TEXT, "Time Frame" TEXT, "Starring Actors" TEXT, "Theme Song ( s ) " TEXT, "Episodes" FLOAT, "Average Ratings" TEXT)

What is the average rating for tv asahi?
SELECT "Average Ratings" FROM table_73028 WHERE "TV Station" = 'TV Asahi'
SELECT "Average Ratings" FROM "table_73028" WHERE "TV Station" = 'TV Asahi'