Question: Cheick Guillaume Ouedraogo holds notable wins over the likes of a mixed martial artist whois currentaly ranked as the #7 contender in what?
{'answer': 'the official UFC rankings', 'supporting_facts': [['Cheick Kongo', 0], ['Cheick Kongo', 1], ['Alexander Volkov (fighter)', 0], ['Alexander Volkov (fighter)', 3]]}