ufficient evidence to carry its burden of production on this issue—resolution of dis- puted issues of fact.' ") (citing Robinson, 269 F.3d at 141); Leutwyler v. Office of Her Majesty Queen Rania Al-Abdullah, 184 F.Supp.2d 277, 287 (S.D.N.Y.2001) (explaining plaintiff may "rebut the pre- sumption of immunity ... b