Question: Who does Lauren Cohan play in the 56th episode, titled "Self Help", of a post-apocalyptic horror television series?
Sentence (from "Crossed (The Walking Dead)"): In the episode, Michonne and Carl Grimes stay at the barricaded Church with Gabriel Stokes as Rick Grimes and the others go on a rescue mission for Beth Greene and Carol Peletier in Atlanta.
Relevant evidence: No