Question: Gerardo Lopez was once the CEO of a company that has the largest share of the American theater market; what company is it?
Sentence (from "AMC Theatres"): AMC Theatres (originally an abbreviation for American Multi-Cinema, often referred to simply as AMC and known in some countries as AMC Cinemas) is an American movie theater chain owned and operated by AMC Entertainment Inc., which is itself owned by AMC Entertainment Holdings, Inc., majority-owned by Chinese conglomerate Dalian Wanda Group.
Relevant evidence: No