Claim: The 2010–11 Tour de Ski - in which Swiss cross-country skier and singer Dario Cologna won the Men's class - was the 5th edition of the Tour de Ski and took place from 31 December 2010 to 9 January 2011.
Label (1 = SUPPORTED, 0 = NOT_SUPPORTED, -1 = unlabeled): 0