Question: What is the nickname of the boxer who was offered to fight against Sergio Martinez in Atlantic City 2011?
Sentence (from "Sampson Lewkowicz"): Sampson Lewkowicz (born January 10, 1951 in Montevideo)) is an Uruguayan-American boxing promoter and manager, whose notable clients have included Sergio Martinez, Magomed Abdusalamov, Javier Fortuna, and Gabriel Campillo.
Relevant evidence: No