SGK PROPERTIES, L.L.C.; GARY P. KATZ, Plaintiffs – Appellants v. U.S. BANK NATIONAL ASSOCIATION, as Trustee for Lehman Brothers Small Balance Commercial Mortgage Pass-Through Certificates, Series 2007-3, Defendant-Counter Plaintiff – Appellee SGK PROPERTIES, L.L.C.; GARY KATZ, Plaintiffs-Appellants v.