Question: What award did the documentary Fight Life, which featured mma stars like Herschel Walker, win at the 2013 United Film Festival?
Sentence (from "Gianfranco Rosi (director)"): His 2016 film "Fire at Sea", a documentary focused on European migrant crisis on the Sicilan island of Lampedusa, won the Golden Bear at the 66th Berlin International Film Festival.
Relevant evidence: No