premise: Alberto Contador initially won the competition.
hypothesis: Alberto Contador . He was the winner of the 2007 Tour de France with the team . He initially also won the 2010 Tour de France with this team , and the 2011 Giro d'Italia with team Saxo Bank-SunGard , only to be stripped of these titles later having been found guilty of a doping offence . Following his return from a suspension , he won the 2012 Vuelta a España , the 2014 Vuelta a España and the 2015 Giro d'Italia .