Question: Which documentary film premiered at the 2008 Tribeca Film Festival? Pray the Devil Back to Hell or The World Without US?

Context paragraphs:
ShowBusiness: The Road to Broadway: ShowBusiness: The Road to Broadway is an American documentary film, the first feature film directed by Dori Berinstein, a Broadway Producer, Writer and Filmmaker.  Berinstein completed the film in 2005.  The film premiered at the 2005 Tribeca Film Festival.  The film was named one of the top 5 films of 2006 by the IDA (International Documentary Association) and received the Grand Jury Prize for Best Documentary at the 2006 Florida Film Festival.  The film was released commercially in 2007, with the first such showings on 11 May 2007 in New York City.

Milosevic on Trial: Milosevic on Trial, also known as Slobodan Milosevic – Præsident under Anklage (the Danish title), is a documentary by Danish director Michael Christoffersen that follows the trial of Slobodan Milošević.  The documentary has won several awards, and has been in competition at the 2008 Tribeca Film Festival, at Hot Docs '08, and at the 6th Silverdocs festival in Washington DC.  The showing at Silverdocs was followed by a panel discussion with former NATO Supreme Allied Commander Europe, Wesley Clark.

The King of Kong: The King of Kong: A Fistful of Quarters is a 2007 American documentary film.  Highlighting the popular 1981 arcade game "Donkey Kong", it follows Steve Wiebe in his attempts to take the world high score for the arcade game from Billy Mitchell, whom the film presents as reigning champion.  The film premiered January 22, 2007, at the 2007 Slamdance Film Festival and has been shown at the Newport Beach Film Festival, the Seattle International Film Festival, the SXSW Film Festival, the TriBeCa Film Festival, the True/False Film Festival, the Aspen Comedy Festival, and the Fantasia Festival.  The film opened in limited release in the United States on August 17, 2007 in five theaters, and by September 9, 2007, the film had expanded to 39 theaters in the U.S.

Marina of the Zabbaleen: Marina of the Zabbaleen is a 2008 documentary film written and directed by Engi Wassef that examines the life of Marina, a 7-year-old Egyptian girl living in a Zabbaleen garbage-collecting village in Cairo.  The film debuted at the 2008 Tribeca Film Festival with sold-out screenings.  The film piqued the interest of many movie goers with its poignant tagline, "Garbage and God are the only options: plight of Christians peasants in Cairo."

TriBeCa Productions: Tribeca Productions, a film and television production company, was co-founded in 1989 by actor Robert De Niro and producer Jane Rosenthal in the lower Manhattan neighborhood of TriBeCa.  In 2003, Robert De Niro, Jane Rosenthal, and Craig Hatkoff moved Tribeca Productions to become a part of Tribeca Enterprises, which organizes the Tribeca Film Festival, Tribeca Film Festival International, Tribeca Cinemas, and Tribeca Film.  De Niro, Rosenthal, and Craig Hatkoff are also the co-founders of the Tribeca Film Festival.

Chris Gibbin: Chris Gibbin is an American filmmaker, producer and entrepreneur whose first feature film, "From Within", had its worldwide premiere at the 2008 Tribeca Film Festival and went on to win the 2008 Grand Jury Prize at the Solstice Film Festival. " Lost Angeles", his second feature film, starring Joelle Carter and Kelly Blatz, had its world premiere at the Oldenburg International Film Festival in 2012.

Killer Movie: Killer Movie is a 2008 comedy horror film released in the United States in April.  The film premiered during the 2008 Tribeca Film Festival in New York City.  It stars Paul Wesley, Kaley Cuoco, Jason London, Torrey DeVitto and Leighton Meester and was written and directed by Jeff Fisher.  "Killer Movie" was produced by Cornelia Ryan Taylor, Michael Sanchez and Jeff Fisher.

The World Without US: The World Without US is a documentary film created by Mitch Anderson and Jason J. Tomaric.  Released in 2008, the documentary explores what might happen if the United States were to leave the international arena, rescind its global reach and become an isolationist nation for the first time since the early 20th century.

Ball Don't Lie: Ball Don't Lie is a 2008 film directed by Brin Hill.  It is an adaptation of the novel of the same name, written by Matt de la Peña.  It stars AND1 Mixtape team member Grayson Boucher, a.k.a.  The Professor.  The film premiered at the 2008 Tribeca Film Festival.

Pray the Devil Back to Hell: Pray the Devil Back to Hell is a documentary film directed by Gini Reticker and produced by Abigail Disney.  The film premiered at the 2008 Tribeca Film Festival, where it won the award for Best Documentary.  The film had its theatrical release in New York City on November 7, 2008.

Supporting paragraphs: Pray the Devil Back to Hell The World Without US
Answer: Pray the Devil Back to Hell