Question: Teresa Palmer is starred by which Swedish film director who is best known for his collective no-budget horror short films under the online pseudonym "ponysmasher"?

Context paragraphs:
Brentwood Strangler: Brentwood Strangler is a 2015 award-winning holiday-themed horror short film.  It was written and directed by John Fitzpatrick following the success of his first short "Skypemare", and stars 'scream queen' Jordan Ladd and Australian actor Adam J. Yeend in the title role.  The film premiered December 2015 at the A Night of Horror Film Festival in Sydney, Australia, and had its U.S. premiere in early 2016 at the Hollywood Reel Independent Film Festival in Los Angeles where it won the jury award for Best Genre Short.  The film has received critical acclaim from the independent horror community with multiple online reviews citing Fitzpatrick's writing, and the chemistry between the two leads.  The film has screened at multiple festivals and horror conventions around the world including Shriekfest, Horrible Imaginings Film Festival, FilmQuest, and at Phoenix Comicon where it won the audience award for 'Best Horror'.  The producing team went on to make the popular online series "Scary Endings" which is currently in its second season.

Roy Andersson: Roy Arne Lennart Andersson (born 31 March 1943) is an acclaimed Swedish film director, best known for "A Swedish Love Story" (1970) and his "Living trilogy," which includes "Songs from the Second Floor" (2000), "You, the Living" (2007) and "A Pigeon Sat on a Branch Reflecting on Existence" (2014).  "Songs from the Second Floor", more than any other, cemented and exemplified his personal style – which is characterized by long takes, absurdist comedy, stiff caricaturing of Swedish culture and Felliniesque grotesque.  He has spent much of his professional life working on advertisement spots, directing over 400 commercials and two short films, but only directing six feature-length films in six decades.  His 2014 film "A Pigeon Sat on a Branch Reflecting on Existence" won the Golden Lion award at 71st Venice International Film Festival, making Andersson the only Swedish director and the second Scandinavian director to win the award in the history of the festival, after Danish Carl Theodor Dreyer won in 1955.  Anderson is considered one of the most important living European film directors, having four films officially submitted for the Academy Award for Best Foreign Language Film as Swedish entries.

Jan Troell: Jan Gustaf Troell (born 23 July 1931) is a Swedish film director.  Usually, Troell writes his own scripts and serves as his own director of photography.  His realistic films, with a lyrical photography in which nature is prominent, have placed him in the first rank of modern Swedish film directors along with Ingmar Bergman and Bo Widerberg.

List of Swedish films of 2014: The Swedish film industry produced over six hundred feature films in 2014.  This article fully lists all non-pornographic films, including short films, that had a release date in that year and which were at least partly made by the Sweden.  It does not include films first released in previous years that had release dates in 2014.  <br> Also included is an overview of the major events in Swedish film, including film festivals and awards ceremonies, as well as lists of those films that have been particularly well received, both critically and financially.

Jason Zada: Jason Zada is an American film director, music video director, screenwriter and digital marketeer, best known for "Elf Yourself", an interactive viral holiday season campaign for OfficeMax, and for "Take This Lollipop", an interactive horror short film created to raise awareness of the danger of placing too much personal information online.

Lights Out (2016 film): Lights Out is a 2016 American supernatural horror film directed by David F. Sandberg in his major directorial debut, produced by Lawrence Grey, James Wan and Eric Heisserer and written by Heisserer.  It stars Teresa Palmer, Gabriel Bateman, Alexander DiPersia, Billy Burke and Maria Bello.  It is based on Sandberg's 2013 short film of the same name and features Lotta Losten, who starred in the short.

David F. Sandberg: David F. Sandberg (born 21 January 1981) is a Swedish film director.  He is best known for his collective no-budget horror short films under the online pseudonym "ponysmasher" and for his 2016 directorial debut "Lights Out", based on his 2013 acclaimed horror short of the same name.

Uppsala International Short Film Festival: Uppsala International Short Film Festival is an annual festival hosted in Uppsala, Sweden since 1982.  As of 2002 the winner of the award "Uppsala Grand Prix" and the winner of the Uppsala Film Jackdaw for Best Children's Film are eligible for an Academy Award nomination.  The Uppsala International Short Film Festival, Sweden's premier arena for short film, shows more than 300 short films along with lectures and seminars that give an insight into Swedish film, culture and history.  Swedish and international filmmakers and other professionals attend.

The Grudge 2: The Grudge 2 is a 2006 American supernatural horror film and a sequel to the 2004 film, "The Grudge".  Produced by Sam Raimi, the film was directed by Takashi Shimizu (director of the "Ju-on" series), written by Stephen Susco and stars an ensemble cast that includes Amber Tamblyn, Sarah Michelle Gellar, Edison Chen, Arielle Kebbel, Jenna Dewan Tatum, Teresa Palmer, Misako Uno, Matthew Knight and Takako Fuji.

Emilia Mosquito: Emilia Mosquito, born January 25, 1982 in Stockholm is a Swedish film director whose short films have made headlines due to their often political and or ideological content.  "Cage Sickness" was awarded for best documentary short at the New York Short 2008 – Expeditions in Film.

Supporting paragraphs: David F. Sandberg Lights Out (2016 film)
Answer: David F. Sandberg