-- Preparing Test data, you don't need this
DECLARE @Test TABLE(id int, idCustomerBid int, idProduct int, bidAmount numeric(10,2))
INSERT INTO @Test VALUES(2 ,15,1559,300.00)
INSERT INTO @Test VALUES(44,15,1560,210.00)
INSERT INTO @Test VALUES(45,15,1559,940.00)
INSERT INTO @Test VALUES(46,15,1559,940.00)
INSERT INTO @Test VALUES(47,15,1559,940.00)
INSERT INTO @Test VALUES(48,15,1559,940.00)
INSERT INTO @Test VALUES(49,15,1559,950.00)
INSERT INTO @Test VALUES(50,31,1559,1950.00)
INSERT INTO @Test VALUES(59,15,1559,1040.00)
INSERT INTO @Test VALUES(60,15,1559,1050.00)
INSERT INTO @Test VALUES(61,15,1559,1060.00)
INSERT INTO @Test VALUES(62,15,1559,1070.00)
INSERT INTO @Test VALUES(63,15,1559,1080.00)
INSERT INTO @Test VALUES(64,15,1559,1090.00)
INSERT INTO @Test VALUES(65,15,1559,1020.00)
INSERT INTO @Test VALUES(66,15,1559,1030.00)
INSERT INTO @Test VALUES(67,15,1559,1040.00)
INSERT INTO @Test VALUES(68,15,1560,220.00)
INSERT INTO @Test VALUES(69,15,1560,230.00)
INSERT INTO @Test VALUES(70,15,1560,240.00)
INSERT INTO @Test VALUES(71,15,1560,250.00)
INSERT INTO @Test VALUES(72,15,1560,260.00)
INSERT INTO @Test VALUES(73,15,1561,350.00)
INSERT INTO @Test VALUES(74,15,1561,360.00)
INSERT INTO @Test VALUES(75,15,1561,370.00)
INSERT INTO @Test VALUES(76,15,1559,1020.00)
INSERT INTO @Test VALUES(77,15,1560,220.00)
INSERT INTO @Test VALUES(78,15,1560,230.00)
INSERT INTO @Test VALUES(79,15,1560,220.00)
INSERT INTO @Test VALUES(80,15,1560,230.00)
INSERT INTO @Test VALUES(81,15,1560,240.00)
INSERT INTO @Test VALUES(82,15,1560,240.00)
INSERT INTO @Test VALUES(83,31,1562,320.00)
INSERT INTO @Test VALUES(104,15,1560,240.00)
INSERT INTO @Test VALUES(105,15,1560,250.00)
INSERT INTO @Test VALUES(106,15,1560,260.00)
INSERT INTO @Test VALUES(107,15,1560,270.00)
INSERT INTO @Test VALUES(108,15,1560,280.00)
INSERT INTO @Test VALUES(109,15,1559,1020.00)
INSERT INTO @Test VALUES(110,1481,1559,1030.00)
INSERT INTO @Test VALUES(111,1481,1559,1040.00)
INSERT INTO @Test VALUES(112,15,1559,1050.00)
INSERT INTO @Test VALUES(113,1481,1559,1060.00)
INSERT INTO @Test VALUES(114,1481,1559,1070.00)
INSERT INTO @Test VALUES(115,1481,1564,250.00)
INSERT INTO @Test VALUES(116,1481,1564,260.00)
INSERT INTO @Test VALUES(117,1481,1564,270.00)
INSERT INTO @Test VALUES(118,15,1559 ,1080.00)
INSERT INTO @Test VALUES(119,15,1559,1090.00)
INSERT INTO @Test VALUES(120,15,1563,310.00)
INSERT INTO @Test VALUES(121,15,1559,1100.00)
INSERT INTO @Test VALUES(122,15,1559,1110.00)
INSERT INTO @Test VALUES(123,15,1563,320.00)
INSERT INTO @Test VALUES(124,15,1563,330.00)
INSERT INTO @Test VALUES(125,15,1559,1120.00)
INSERT INTO @Test VALUES(126,15,1559,1130.00)
INSERT INTO @Test VALUES(127,15,1559,1140.00)
INSERT INTO @Test VALUES(128,15,1563,340.00)
INSERT INTO @Test VALUES(129,15,1563,350.00)
INSERT INTO @Test VALUES(130,15,1559,1150.00)
INSERT INTO @Test VALUES(131,15,1559,1160.00)
INSERT INTO @Test VALUES(132,15,1559,1170.00)
INSERT INTO @Test VALUES(133,15,1559,1180.00)
INSERT INTO @Test VALUES(134,15,1564,280.00)
INSERT INTO @Test VALUES(135,15,1564,290.00)
INSERT INTO @Test VALUES(136,1489,1561,350.00)
INSERT INTO @Test VALUES(137,15,1562,220.00)
INSERT INTO @Test VALUES(138,15,1562,230.00)
INSERT INTO @Test VALUES(139,15,1562,240.00)
INSERT INTO @Test VALUES(140,15,1560,290.00)
INSERT INTO @Test VALUES(141,15,1560,290.00)
INSERT INTO @Test VALUES(142,15,1560,220.00)
--- End
-- The query, you need to change @Test to your actual table name
SELECT idCustomerBid ,bidAmount
FROM (SELECT *, ROW_NUMBER()OVER (PARTITION BY idCustomerBid ORDER BY bidAmount) AS Row FROM @Test) Tst
WHERE idProduct = 1560 AND Row = 2