SELECT p.nomProd, p.codProd, COUNT(ip.CodProd) FROM Productos p, ImpoProd ip
	WHERE
		ip.codProd = p.codProd
	GROUP BY p.nomProd, p.codProd, ip.codProd
	HAVING COUNT(ip.codProd) =
		(SELECT MIN(CANTIDAD) FROM
			(SELECT ip2.codProd, count(ip2.codProd) AS CANTIDAD
				FROM ImpoProd ip2
				GROUP BY ip2.codProd
			)
		);