<prompt> Kamilisha sentensi ifuatayo: Greg Zuerlein amezaliwa Oktoba 26, 1988 ni Marekani zamani barafu dancer. Na Madison Chock, yeye ni  <response>: 2009 Junior World Champion, 2008 JGP Final Champion, na 2011 Marekani kitaifa shaba medali. Walishindana pamoja kutoka 2006 hadi 2011. 