Question: Who produced the 1984 British biographical drama film about the Khmer Rouge that was directed by the same person that directed You and I?

Context paragraphs:
First They Killed My Father (film): First They Killed My Father (Khmer: មុន​ដំបូង​ខ្មែរ​ក្រហម​សម្លាប់​ប៉ា​របស់​ខ្ញុំ "Moun​ dambaung​ Khmer​ Krahm​ samleab​ ba​ robsa​ khnhom") is a 2017 biographical historical thriller film directed by Angelina Jolie and written by Jolie and Loung Ung, based on Ung's memoir of the same name.  Set in 1975, the film depicts 5-year-old Ung who is forced to be trained as a child soldier while her siblings are sent to labor camps during the Khmer Rouge regime.

An Ambition Reduced to Ashes: An Ambition Reduced to Ashes is a 1995 Cambodian short film drama directed by Norodom Sihanouk.  The director is also well known as Prince Sihanouk, former head of state of Cambodia ousted by the infamous Khmer Rouge in 1974 by the new Cambodian leader, Pol Pot.  Since that time, Sihanouk has been immersed in film making as a director.

Enemies of the People (film): Enemies of the People is a 2009 British/Cambodian documentary film written and directed by Rob Lemkin and Thet Sambath.  The film depicts the 10-year quest of co-director Sambath to find truth and closure in the Killing Fields of Cambodia.  The film features interviews by former Khmer Rouge officials from the most senior surviving leader to the men and women who slit throats during the regime of Democratic Kampuchea between 1975 and 1979.

The Killing Fields (album): The Killing Fields is the 10th record album by Mike Oldfield, released in 1984 on Virgin Records.  It was the soundtrack album for the British drama film of the same name based on the experiences of two journalists in the Khmer Rouge regime in Cambodia.  It is the only full-length film score written by Oldfield.

Lost Loves (film): Lost Loves (ឃ្លាតទៅសែនឆ្ងាយ "khlea t tow sen chhngay") is a 2010 Cambodian drama film directed by Chhay Bora and based on real events.  It is the first Cambodian film in more than 20 years to deal with facts during the Khmer Rouge era.  "Lost Loves" was selected as the Cambodian entry for the Best Foreign Language Oscar at the 85th Academy Awards, but it did not make the final shortlist.  It is only the second Cambodian film to be listed for the Best Foreign Language Oscar.  The film made its premiere at the 2010 Cambodia International Film Festival

The Snake King's Child: The Snake King's Child (Khmer: រឿងកូនពស់កេងកង , "Kuon Puos Keng Kang", also known as "Snaker" and "Ghost Wife 2") is a 2001 Cambodian-Thai horror film directed by Fai Sam Ang, based on a Cambodian myth about the half-human daughter of a snake god.  It is the first full-length feature film for cinema to be produced in Cambodia since before the Khmer Rouge era.  The special effect of the lead character's head being full of writhing snakes was achieved by gluing live snakes to a cap worn by the actress.

Pkah Thgall Meas: Pkah Thgall Meas (Khmer: ផ្កាថ្កុលមាស) is a 1975 Cambodian drama film.  It was a well-known film in Cambodia before the Khmer Rouge.

You and I (2011 film): You and I (Russian: Ты и я ; also known by its working title, Finding t.A.T.u.) is a 2011 drama-film directed by Roland Joffé, an English-French film director who is known for his Oscar nominated movies "The Killing Fields" and "The Mission", depicting a fictionalised version of real events adapted from the novel "t.A.T.u. Come Back".  The film features Mischa Barton, Anton Yelchin, Charlie Creed-Miles, Helena Mattsson, Alexander Kaluzhsky, Bronson Pinchot and Shantel VanSanten.  The film is about a teenage girl, Lana, who moves from a rural town in Russia to Moscow, completely unaware that meeting an internet girlfriend, Janie, will result in a string of adventures.

Two Shadows: Two Shadows is a narrative drama film released in 2012.  The film won the Audience Award, Cinematography Award and was nominated for the Grand Jury Award at the 2012 Los Angeles Asian Pacific Film Festival.  It is one of the first films to focus on Cambodian immigrants in the United States seeking surviving family connections in Cambodia since the fall of 1970s communist party, the Khmer Rouge.  The film is the second collaboration between director Gregory Cahill and actress Sophea Pel, following the 2006 short film "The Golden Voice" about Cambodian singer Ros Serey Sothear.  The film was shot primarily in Cambodia and also in Los Angeles, California.

The Killing Fields (film): The Killing Fields is a 1984 British biographical drama film about the Khmer Rouge regime in Cambodia, which is based on the experiences of two journalists: Cambodian Dith Pran and American Sydney Schanberg.  It was directed by Roland Joffé and produced by David Puttnam for his company Goldcrest Films.  Sam Waterston stars as Schanberg, Haing S. Ngor as Pran, Julian Sands as Jon Swain, and John Malkovich as Al Rockoff.  The adaptation for the screen was written by Bruce Robinson; the musical score was written by Mike Oldfield and orchestrated by David Bedford.

Supporting paragraphs: You and I (2011 film) The Killing Fields (film)
Answer: David Puttnam