Question: What nationality is the director of film The Power Of Good: Nicholas Winton?
Sentence (from "Matej Mináč"): He has directed three films about Nicholas Winton, a Briton who organised the rescue of 669 Jewish children from German-occupied Czechoslovakia on the eve of World War II in an operation later known as the Czech Kindertransport: the drama "All My Loved Ones" (1999), the documentary  (2002), which won an Emmy Award, and the documentary "Nicky's Family" (2011).
Relevant evidence: No