Question: In which movie did Olivia Thirlby play the part of pregnant teen Ellen Page?
Context: Ellen Grace Philpotts-Page (born February 21, 1987), known professionally as Ellen Page, is a Canadian actress.  Her career began with roles in Canadian television shows including "Pit Pony", "Trailer Park Boys", and "ReGenesis".  Page starred in the 2005 drama "Hard Candy", for which she won the Austin Film Critics Association's Award for Best Actress.  Her breakthrough role was the title character in Jason Reitman's comedy film "Juno" (2007), for which she received nominations for Academy Award, BAFTA, Golden Globe and Screen Actors Guild Award for Best Actress, and won awards including the Independent Spirit Award, MTV Movie Award and Teen Choice Award for Best Actress Comedy. 5 to 7 is a 2014 American romantic film written and directed by Victor Levin and starring Anton Yelchin, Bérénice Marlohe, Olivia Thirlby, Lambert Wilson, Frank Langella and Glenn Close.  Yelchin plays Brian, a 24-year-old writer who has an affair with a 33-year-old married French woman, Arielle (Marlohe).  Arielle and her middle-aged husband, Valéry (Wilson), have an agreement allowing them to have extramarital affairs as long as they are confined to the hours between 5 and 7 p.m. What Goes Up is an American comedy-drama film distributed by Sony Pictures Entertainment starring Hilary Duff, Steve Coogan, Josh Peck, Olivia Thirlby, and Molly Shannon, directed by Jonathan Glatzer and co-written by Glatzer and Robert Lawson.  Coogan also serves as an executive producer.  It premiered on May 8, 2009 at the 3rd Annual Buffalo Niagara Film Festival.  "What Goes Up" was released in the US through Sony Pictures and Three Kings Productions in select theaters on May 29, 2009 and expanded to more theaters the following week.  Cities included Los Angeles, New York, Las Vegas, Buffalo, Boston and Chicago.  The movie grossed $5,290 in its opening weekend. Juno is a 2007 American coming of age comedy-drama independent film directed by Jason Reitman and written by Diablo Cody.  Ellen Page stars as the title character, an independent-minded teenager confronting an unplanned pregnancy and the subsequent events that put pressures of adult life onto her.  Michael Cera, Jennifer Garner, Jason Bateman, Allison Janney and J. K. Simmons also star.  Filming spanned from early February to March 2007 in Vancouver, British Columbia.  It premiered on September 8 at the 2007 Toronto International Film Festival, receiving a standing ovation. Claudia Rivero is a reporter currently based in Philadelphia, PA.  Her recent work includes the short documentary "Where is Janteyl," the story of a pregnant teen who disappeared under suspicious circumstances in Delaware.  She’s also involved as a producer for The Messages Project, an award-winning nonprofit dedicated to helping children of incarcerated parents. The Stanford Prison Experiment is a 2015 American thriller film directed by Kyle Patrick Alvarez and written by Tim Talbott.  The film stars Billy Crudup, Michael Angarano, Ezra Miller, Tye Sheridan, Keir Gilchrist, Olivia Thirlby, and Nelsan Ellis.  The plot tells the story of the 1971 Stanford prison experiment conducted at Stanford University under supervision of psychology professor Philip Zimbardo in which students play the role of a prisoner or a prison guard. Jack & Diane is a 2012 American romantic horror film written and directed by Bradley Rust Gray, and starring Riley Keough and Juno Temple.  Olivia Thirlby and Ellen Page were originally cast for the lead roles in 2008 before the project was postponed. Gaycation (also known as "Gaycation with Ellen Page") is a 2016 American television documentary series hosted by Ellen Page and Ian Daniel.  The series premiered on 2 March 2016 on Viceland as part of its new programming launch.  The series explores LGBTQ cultures around the world, as Page and Daniel meet different people during their travels and hear their stories. Olivia Jo Thirlby (born October 6, 1986) is an American actress.  She is best known for her roles as Leah in the comedy-drama film "Juno" (2007), as Natalie in "The Darkest Hour" (2011) and as Judge Cassandra Anderson in "Dredd" (2012).  In June 2008, Thirlby was described by "Vanity Fair" as a member of "Hollywood's New Wave". You Above All (originally titled The Movie) is a film directed by Edgar Morais and Lucas Elliot Eberl and starring Edgar Morais, Olivia Thirlby, Steven Weber, Richard Riehle, Kris Lemche, and Oliver Muirhead.  "You Above All" is currently in production.
Answer: Juno