Question: What is the ranking system used in combat sports, including boxing and mixed martial arts, of who the better fighters are relative to their weight, by which measure the Polish mixed martial artist Joanna Jędrzejczyk is rated the number 1 female MMA fighter in the world?
Sentence (from "Mohammed &quot;The Hawk&quot; Shahid"): He was assigned a managerial role to develop mixed martial arts in Bahrain as the CEO of KHK MMA.
Relevant evidence: No