 Complete the following phrase:  González has won nine medals four golds, four silvers, and one bronze at World Cup events, six medals one gold, three silvers, and two bronzes at Pan American Games, seven medals two golds, two silvers, and three bronzes at South American Games and one gold medal at the January 2012 London Olympics test event where he qualified for the Olympics. He has participated in eight World Championships 2003, 2005, 2007, 2009, 2010, 2011, 2015, and 