Question: What is the nickname of the challenger who at the K-1 World Grand Prix 2010 in Yokohama was defeated by Kyotaro Fujimoto?
Sentence (from "K-1 World Grand Prix 2004 Final"): It was the twelfth K-1 World Grand Prix final, involving twelve of the world's best K-1 fighters (four being reservists) from eight countries, with all bouts fought under K-1 Rules (100 kg/156-220 lbs).
Relevant evidence: No