Question: 21st AVN Awards  was co-hosted by what American enterpreneur who has been called "The Queen of Porn"
Sentence (from "34th AVN Awards"): The 34th AVN Awards, presented by Adult Video News (AVN), honored the best pornographic movies and adult entertainment products of between October 1, 2015 and September 30, 2016 and took place on January 21, 2017 at The Joint in Hard Rock Hotel and Casino, Paradise, Nevada.
Relevant evidence: No