Question: Which film producer also worked as a cinematographer, George Sidney or Jan de Bont?

Context paragraphs:
Rene Daalder: Rene Daalder (born René Daalder in 1944 on Texel, North Holland, sometimes credited as Renee Daalder) is a Dutch writer and director.  He lives in Los Angeles.  Originally a protégé of Russ Meyer, Daalder has worked with Jan de Bont, Frans Bromet, and Rem Koolhaas.

Lara Croft Tomb Raider: The Cradle of Life: Lara Croft: Tomb Raider – The Cradle of Life is a 2003 action adventure film based on the "Tomb Raider" video game series.  Angelina Jolie stars as the titular Lara Croft character, and supporting roles include Gerard Butler, Ciarán Hinds, Chris Barrie, Noah Taylor, Til Schweiger, Djimon Hounsou, and Simon Yam.  An international co-production between the United States, the United Kingdom, Germany, and Japan, the film was directed by Jan de Bont and is a sequel to the 2001 film "".

George Sidney: George Sidney (October 4, 1916May 5, 2002) was an American film director and film producer who worked primarily at Metro-Goldwyn-Mayer.

Speed 2: Cruise Control: Speed 2: Cruise Control is a 1997 American disaster thriller film, and a sequel to "Speed" (1994).  It was produced and directed by Jan de Bont, and written by Randall McCormick and Jeff Nathanson, based on a story by De Bont and McCormick.  Sandra Bullock stars in the film, reprising her role from "Speed", while Jason Patric and Willem Dafoe co-star.  The film was released by 20th Century Fox on June 13, 1997.

Twister (1996 film): Twister is a 1996 American disaster film starring Bill Paxton and Helen Hunt as storm chasers researching tornadoes.  It was directed by Jan de Bont from a screenplay by Michael Crichton and Anne-Marie Martin.  Its executive producers were Steven Spielberg, Walter Parkes, Laurie MacDonald and Gerald R. Molen.  "Twister" was the second-highest-grossing film of 1996 domestically, with an estimated 54,688,100 tickets sold in the US.

Nema aviona za Zagreb: Nema aviona za Zagreb ("There Is No Plane to Zagreb") is a 2012 Dutch film by Louis van Gasteren.  The film is a retrospective of events in the director's life from 1964 to 1969, filmed by him in that period and reflected on from his vantage point over 40 years later at the age of 90.  It is also Jan de Bont's first film credit as cinematographer since 1992's "Basic Instinct".

Turkish Delight (1973 film): Turkish Delight (Dutch: Turks fruit ) is a 1973 Dutch film directed by Paul Verhoeven and filmed by Jan de Bont.  The film is a love story of an artist and a young woman, starring Rutger Hauer and Monique van de Ven.  The story is based on the novel "Turks fruit" by Jan Wolkers.

Jan de Bont: Jan de Bont (born 22 October 1943) is a Dutch cinematographer, director and film producer.  He is widely known for directing the 1994 action film "Speed" starring Keanu Reeves and Sandra Bullock and the disaster film "Twister".  As a director of photography, he has shot numerous blockbusters and genre films, including "Cujo, Flesh and Blood, Die Hard, The Hunt for Red October" and "Basic Instinct."

The Haunting (1999 film): The Haunting is a 1999 American supernatural horror film directed by Jan de Bont.  The film is a remake of the psychological horror film of the same name.  Both of them are based on the 1959 novel, "The Haunting of Hill House" by Shirley Jackson.  "The Haunting" stars Liam Neeson, Catherine Zeta-Jones, Owen Wilson and Lili Taylor.  It was released in the United States on July 23, 1999.

Speed (1994 film): Speed is a 1994 American action thriller film directed by Jan de Bont in his feature film directorial debut.  The film stars Keanu Reeves, Dennis Hopper, Sandra Bullock, Joe Morton, Alan Ruck, and Jeff Daniels.  It became a surprise critical and commercial success, winning two Academy Awards, for Best Sound Editing and Best Sound Mixing, at the 67th Academy Awards in early 1995.  The film tells the story of an LAPD cop who tries to rescue civilians on a city bus rigged with a bomb programmed to explode if the bus slows down below 50 mph.

Supporting paragraphs: George Sidney Jan de Bont
Answer: Jan de Bont