CREATE TABLE table_64498 ("Japanese Title" TEXT, "Romaji Title" TEXT, "TV Station" TEXT, "Episodes" FLOAT, "Average Ratings" TEXT)

what is the tv station when the average ratings is 19.5%?
SELECT "TV Station" FROM table_64498 WHERE "Average Ratings" = '19.5%'
SELECT "TV Station" FROM "table_64498" WHERE "Average Ratings" = '19.5%'