Question: What American ballet dancer and principal dancer with the American Ballet Theatre, also starred as a "dance double" for Natalie Portman in the 2010 movie Black Swan?
Sentence (from "Ray Barra"): He was a soloist with the American Ballet Theatre and a principal dancer of the Stuttgart Ballet, where he created parts in creations by John Cranko, including Romeo in "Romeo and Juliet" with Marcia Haydée as Julia.
Relevant evidence: No