CREATE TABLE table_9570 ("Year" FLOAT, "Character" CLOB, "Title" CLOB, "Author" CLOB, "Artist" CLOB, "Imprint" CLOB)

what is the average year when the title is baka to test to sh kanj ?
SELECT AVG("Year") FROM table_9570 WHERE "Title" = 'baka to test to shōkanjū'
SELECT AVG("Year") FROM "table_9570" WHERE "Title" = 'baka to test to shōkanjū'