Question: What was the nationality of the stage partner of the director of "Tim's Vermeer"?
Sentence (from "Tim's Vermeer"): Tim's Vermeer is a documentary film, directed by Teller, produced by his stage partner Penn Jillette and Farley Ziegler, about inventor Tim Jenison's efforts to duplicate the painting techniques of Johannes Vermeer, in order to test his theory that Vermeer painted with the help of optical devices.
Relevant evidence: Yes