CREATE TABLE table_14090 ("Japanese Title" TEXT, "Romaji Title" TEXT, "TV Station" TEXT, "Episodes" TEXT, "Average Ratings" TEXT)

What's the average rating when the Romanji title was Mendol?
SELECT "Average Ratings" FROM table_14090 WHERE "Romaji Title" = 'mendol'
SELECT "Average Ratings" FROM "table_14090" WHERE "Romaji Title" = 'mendol'