question: What nationality is the director of film Code Blue (Film)?
context: [["John Farrell (businessman)", ["John Farrell is the director of YouTube in Latin America."]], ["Michael Govan", ["Michael Govan( born 1963) is the director of the Los Angeles County Museum of Art since 2006.", "Prior to this, Govan worked as the director of the Dia Art Foundation in New York City."]], ["Code Blue (film)", ["Code Blue is a 2011 Dutch drama film written and directed by Urszula Antoniak and starring Bien de Moo der.", "It was screened in the Directors' Fortnight section at the 2011 Cannes Film Festival."]], ["Thierry Neuvic", ["Thierry Neuvic( born 3 August 1970) is a French actor.", "He has appeared in more than 50 films and television shows since 1996.", "He starred in the film\" Code Unknown\", which was selected in the 2000 Cannes Film Festival."]], ["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]], ["Bien de Moor", ["Bien De Moor( born 11 June 1962) is a Belgian actress.", "Born in De Pinte, she graduated at the drama course of\" Studio Herman Teirlinck\" in Antwerp.", "Her role of Solange in the stage play\" De Meiden\" The Girl) gained her a Theo d' Or in 2005.", "For her performance in the controversial film\" Code Blue\" she was awarded as best actress at the Sevilla Film Festival.", "The short film\" Vera\" by Dutch filmmaker Thomas Korthals Altes, with Bien De Moor in the lead role, won the Grand Prix Award and the Best Short Award at the 2010 Tokyo Short Shorts Film Festival."]], ["Urszula Antoniak", ["Urszula Antoniak (born 1968 in Cz\u0119stochowa, Poland) is a Polish-Dutch film director.", "She is best known for her film \"Nothing Personal\" which won four Golden calves."]], ["Peter Levin", ["Peter Levin is an American director of film, television and theatre."]], ["Dana Blankstein", ["Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.", "She is a film director, and an Israeli culture entrepreneur."]], ["John Donatich", ["John Donatich is the Director of Yale University Press."]]]
supporting_facts: [["Code Blue (film)", 0], ["Urszula Antoniak", 0]]
evidences: [["Code Blue", "director", "Urszula Antoniak"], ["Urszula Antoniak", "country of citizenship", "Poland"]]
answer: Poland