Question: Ekaterina Vandaryeva defeated which Polish MMA fighter in a controversial win in 2011?
Sentence (from "Joanna Jędrzejczyk"): Joanna Jędrzejczyk (] ; born August 18, 1987) is a Polish mixed martial artist and former Muay Thai kickboxer who competes in the women's strawweight division of the Ultimate Fighting Championship.
Relevant evidence: Yes