ngs must be based on.competent.evidence, usually through affidavits, deposition testimony, or other admissible evidence." Id. (citing von Bulow by Auersperq v. von Bulow, 811 F.2d 136, 147 (2d Cir.), cert, -denied, .01. .U.S. 1015, 107 -S.Ct. 1891., 95 L.Ed.2d 498 (1987); Bowne of N.Y„C.,. Inc. v. AmBas