select * from (
SELECT distinct  o.nr, o.price
FROM offer o, vendor v
WHERE o.product=@ProductXYZ@ 
	AND o.deliveryDays<=3 AND v.country='US'
	AND o.validTo>to_date ('@currentDate@', 'YYYY-MM-DD') AND o.vendor=v.nr
Order BY o.price)
where rownum < 11


