Question: What company is a 1931-born rival promoter to Don King in the 1980's the CEO of?
Sentence (from "Insomniac Events"): Insomniac also organizes the "EDMBiz" conference (an industry event that first took place in 2012 to coincide with EDC Las Vegas, in a similar fashion to the Winter Music Conference and the Ultra Music Festival).
Relevant evidence: No