Question: TV and film director Joe Wright's most recent drama film stars Gary Oldman as which wartime leader?
Context: The Space Between Us is a 2017 American romantic science fiction film directed by Peter Chelsom and written by Allan Loeb, from a story by Stewart Schill, Richard Barton Lewis and Loeb.  The film stars Gary Oldman, Asa Butterfield, Britt Robertson, and Carla Gugino, and follows a teenage boy, born on Mars, who travels to Earth. The Contender is a 2000 political drama film written and directed by Rod Lurie.  It stars Gary Oldman, Joan Allen, Jeff Bridges and Christian Slater.  The film focuses on a fictional United States President (played by Bridges) and the events surrounding his appointment of a new Vice President (Allen). Dario Marianelli (born June 21, 1963) is an Italian film composer, known for his frequent collaborations with director Joe Wright. Bram Stoker's Dracula is a 1992 American romantic horror film directed and produced by Francis Ford Coppola, based on the novel "Dracula" by Bram Stoker.  It stars Gary Oldman as Count Dracula, Winona Ryder as Mina Harker, Anthony Hopkins as Professor Abraham Van Helsing, and Keanu Reeves as Jonathan Harker. Criminal is a 2016 American action crime thriller drama film directed by Ariel Vromen and written by Douglas Cook and David Weisberg.  The film is about a convict who is implanted with a dead CIA agent's memories to finish an assignment.  The film stars Kevin Costner, Gary Oldman, and Tommy Lee Jones, in the second collaboration between all three following the 1991 film "JFK".  The film also features Alice Eve, Gal Gadot, Michael Pitt, Jordi Mollà, Antje Traue, Scott Adkins, Amaury Nolasco, and Ryan Reynolds. Prick Up Your Ears is a 1987 British film, directed by Stephen Frears, about the playwright Joe Orton and his lover Kenneth Halliwell.  The screenplay was written by Alan Bennett, based on the biography by John Lahr.  The film stars Gary Oldman as Orton, Alfred Molina as Halliwell, Wallace Shawn as Lahr and Vanessa Redgrave as Peggy Ramsay. Atonement: Music from the Motion Picture is the soundtrack from the 2007 film "Atonement", composed by Dario Marianelli and performed by the English Chamber Orchestra, French classical pianist Jean-Yves Thibaudet, and cellist Caroline Dale.  This was their second collaboration with director Joe Wright, following the soundtrack for his 2005 adaptation of "Pride & Prejudice". The Firm is a 1989 British made-for-television drama film directed by Alan Clarke and written by Al Hunter Ashton for the BBC.  It stars Gary Oldman, Phil Davis, Charles Lawson and Steve McFadden in his acting debut.  The film is based on the activities of the Inter City Firm (billed as the "Inter City Crew") football firm of West Ham United during the 1970s and 1980s. Darkest Hour is a 2017 British war drama film directed by Joe Wright and written by Anthony McCarten.  The film stars Gary Oldman as Winston Churchill, and follows his early days as Prime Minister as Hitler closes in on Britain in World War II (The Darkest Hour).  Ben Mendelsohn, Kristin Scott Thomas, Lily James, Stephen Dillane, and Ronald Pickup also star. Joseph "Joe" Wright (born 25 August 1972) is an English film director.  His motion pictures include the romance film "Pride & Prejudice" (2005), the romantic war drama "Atonement" (2007), the action thriller "Hanna" (2011), his adaptation of "Anna Karenina" (2012), Peter Pan origin story "Pan" (2015), and political drama "Darkest Hour" (2017).
Answer: Winston Churchill