Question: Who  is the other director of the film for which Luke Meyer is known for and that film follows the real-life adventures of the Darkon Wargaming Club in Baltimore?
Sentence (from "Step Up 3D"): Step Up 3D (also known as Step Up 3) is a 2010 American 3D dance film written by Amy Andelson and Emily Meyer and directed by ""' s Jon M. Chu.
Relevant evidence: No