Question: The 2015 Tour of Oman was the sixth edition of the Tour of Oman cycling stage race, Chris Froome, the defending champion from 2013 and 2014, a British road racing cyclist for which organization?
Sentence (from "Chris Froome"): He is the reigning Tour de France and Vuelta a España champion and one of the most successful riders in the history of the Tour, having won it four times – in 2013, 2015, 2016 and 2017.
Relevant evidence: No