Perhatikan skema database pada suatu usaha rental komik berikut!

Output apa yang akan dikeluarkan oleh query berikut ini?

SELECT b.title
FROM BOOK AS b
WHERE b.book_id IN (
 SELECT r.book_id
 FROM RENTAL AS r
 WHERE r.customer_id IN (
 SELECT c.customer_id
 FROM CUSTOMER AS c
 WHERE c.fname LIKE 'K%'
 )
) AND b.release_year = 2015;