Question: Who,  Irwin Winkler or Thuc Doan Nguyen,  is the producer or director of 50 motion pictures, dating back to 1967's "Double Trouble", starring what famous performer?
Sentence (from "Thuc Doan Nguyen"): Nguyen is the founder of "The Bitch Pack", a group dedicated to promoting female-driven screenplays through Twitter and other social media sites.
Relevant evidence: No