Question: What film was Céline Buckens involved in that involved one of the co-founders of DreamWorks Studios?

Context paragraphs:
Darren Throop: Darren Throop is a Canadian businessman who is President & CEO of Entertainment One (eOne), a global independent entertainment studio.  Through corporate acquisitions and partnerships, Throop has expanded Entertainment One’s global footprint and network which includes film and television studio The Mark Gordon Company; content creation venture Amblin Partners with Steven Spielberg, DreamWorks Studios, Participant Media, and Reliance Entertainment; leading feature film production and global sales company Sierra Pictures; unscripted television production companies Renegade 83, Paperny Entertainment and Force Four Entertainment; world-class music labels Dualtone Music Group and Last Gang; and award-winning digital agency Secret Location.

Free Rein: Free Rein is a British children's television series.  The series stars Jaylen Barron, Céline Buckens, and Kerry Ingram.  The ten-part series premiered on Netflix on June 22, 2017.  Free Rein was created by British screenwriters Vicki Lutas and Anna McCleery and produced in the UK by Lime Pictures.

1973 in science: The year 1973 in science and technology involved one significant event, listed below.

Steven Spielberg filmography: Steven Spielberg (born December 18, 1946) is an American director, producer, and screenwriter.  He is considered one of the founding pioneers of the New Hollywood era, as well as being viewed as one of the most popular directors and producers in film history.  He is also one of the co-founders of DreamWorks Studios.

Australian soccer league system: The Australian soccer league system is the league structure for soccer clubs in Australia.  The league system in Australia since 1977 has involved one top divisional league controlled by the national body and many leagues run within each state below.  The National Soccer League stood from 1977–2004 as the top nationwide tier above the current state-based league systems, in 2005, the A-League was established as its successor.  The introduction of the National Premier Leagues in 2013 introduced a direct second tier of soccer in Australia, underpinning the A-League.  The National Premier Leagues incorporated the existing state leagues as divisions with a nationwide end of season finals series.  In 2013, the National Premier Leagues rebranded 5 of the 9 top state leagues, and the remainder – with the exception of the Northern Territory – joined in 2014.  There is no promotion and relegation to and from the top-tier A-League, and promotion and relegation at other levels varies between different state systems.

DreamWorks: DreamWorks Pictures (also known as DreamWorks SKG or DreamWorks Studios, commonly referred to as DreamWorks, trading as Storyteller Distribution Co., LLC) is an American film production label of Amblin Partners.  The studio was formerly distributing its own and third-party films by itself.  It has produced or distributed more than ten films with box-office grosses of more than $100 million each.  As of October 2016, DreamWorks' films are marketed and distributed by Universal Pictures.

Steven Spielberg: Steven Allan Spielberg, {'1': ", '2': ", '3': 'KBE', '4': "} , {'1': ", '2': ", '3': 'OMRI', '4': "} (born December 18, 1946) is an American director, producer, and screenwriter.  He is considered one of the founding pioneers of the New Hollywood era, as well as being viewed as one of the most popular directors and producers in film history.  He is also one of the co-founders of DreamWorks Studios.

Bill Damaschke: Bill Damaschke is an animated film producer and former chief creative officer at DreamWorks Animation.  He joined DreamWorks Studios in 1995, and has served in a variety of animation roles, including head of creative production and head of development.

Bloggingheads.tv: Bloggingheads.tv (sometimes abbreviated "bhtv") is a political, world events, philosophy, and science video blog discussion site in which the participants take part in an active back and forth conversation via webcam which is then broadcast online to viewers.  The site was started by the journalist Robert Wright ("The Evolution of God", "", "The Moral Animal" ) and the blogger and journalist Mickey Kaus on November 1, 2005.  (Kaus has since dropped out of operational duties of the site as he didn't want his frequent linking to be seen as a conflict of interest.)  Most of the earlier discussions posted to the site involved one or both of those individuals, but since has grown to include a total of over one thousand individual contributors, mostly journalists, academics, scientists, authors, well known political bloggers, and other notable individuals.

Céline Buckens: She played Émilie in Steven Spielberg's 2011 film "War Horse", a role she won after only two auditions.  The character is a young French girl who lives on a farm with her grandfather after she lost her parents in the war.

Supporting paragraphs: Céline Buckens Steven Spielberg
Answer: War Horse