SELECT
c.first_name,
c.last_name,
c.email,
a.address
FROM (
SELECT
r.*,
ROW_NUMBER() OVER (PARTITION BY r.inventory_id ORDER BY r.rental_date DESC) AS row_number
FROM rental r
WHERE r.inventory_id = 30
) AS rr
JOIN customer c ON rr.customer_id = c.customer_id
JOIN address a ON c.address_id = a.address_id
WHERE rr.row_number = 1;