Question: What conservative MEP also found a movie based on his novel entered into the 48th Berlin International Film Festival?

Context paragraphs:
Heiner Carow: Heiner Carow (19 September 1929 – 1 February 1997) was a German film director and screenwriter.  His 1986 film "So Many Dreams" was entered into the 37th Berlin International Film Festival.  The following year, he was a member of the jury at the 38th Berlin International Film Festival.  In 1990, his film "Coming Out" won the Silver Bear for an outstanding artistic contribution at the 40th Berlin International Film Festival.

Michael Gwisdek: Michael Gwisdek (born 14 January 1942) is a German actor and film director.  He has appeared in more than 130 films and television shows since 1968.  His debut film as a director, "Treffen in Travers", was screened in the Un Certain Regard section at the 1989 Cannes Film Festival.  His 1998 film "The Big Mambo" was entered into the 48th Berlin International Film Festival.  The following year, he won the Silver Bear for Best Actor at the 49th Berlin International Film Festival, for his role in the film "Nightshapes".

Maurice Dugowson: Maurice Dugowson (23 September 1938 – 11 November 1999) was a French film director and screenwriter.  His 1975 film "Lily, aime-moi" was entered into the 25th Berlin International Film Festival.  The following year, his film "F comme Fairbanks" was entered into the 26th Berlin International Film Festival.  In 1981 his film "Bye, See You Monday" was entered into the 12th Moscow International Film Festival.

Roland Gräf: Roland Gräf (13 October 1934 – 11 May 2017) was a German cinematographer, film director and screenwriter.  In 1982 his film "Märkische Forschungen" won the Findling Award at the National Feature Film Festival of the GDR in Karl-Marx-Stadt (Nationales Spielfilmfestival der DDR).  His 1986 film "The House on the River" was entered into the 36th Berlin International Film Festival.  Three years later, his film "" was entered into the 39th Berlin International Film Festival.  In 1991, his film "The Tango Player" was entered into the 41st Berlin International Film Festival.

Stanley Johnson (writer): Stanley Patrick Johnson (born 18 August 1940) of West Nethercote, Winsford, Somerset, is a British politician and author, and an expert on environmental and population issues.  He was a Conservative MEP for Wight & Hampshire East from 1979 to 1984 and is a former employee of the World Bank and the European Commission.  He is co-chairman of Environmentalists for Europe (E4E), a collection of pro-EU environmentalists campaigning for the UK to remain a member of the EU.

Norbert Kückelmann: Norbert Kückelmann, (born 1 May 1930 - died 31 August 2017) was a German film director, screenwriter and lawyer.  He was born in Munich, During the 1950s he studied law and worked part-time as a film critic.  After graduation, he worked as a lawyer in Munich and Mainz.  In 1965 he founded together with Alexander Kluge and Hans-Rolf Strobel the Young German Film Committee (German: "Kuratorium Junger Deutscher Film" .  Continuing to work as a lawyer he directed his first film "Die Sachverständigen" in 1973.  At the 23rd Berlin International Film Festival the film won a Silver Bear.  His first film also won the Deutscher Filmpreis - Best Feature Film.  At the 34th Berlin International Film Festival, his film "Man Under Suspicion" also won a Silver Bear.  Two years later, he was a member of the jury at the 36th Berlin International Film Festival.

Pantelis Voulgaris: Pantelis Voulgaris (Greek: Παντελής Βούλγαρης ; born 23 October 1940) is a Greek film director and screenwriter.  His first feature film "To proxenio tis Annas" in 1972 won the first prize in Thessaloniki International Film Festival.  His 1989 film "The Striker with Number 9" was entered into the 39th Berlin International Film Festival.  Two years later, his film "Quiet Days in August" was entered into the 41st Berlin International Film Festival.  In 2005 his film "Brides" was entered into the 27th Moscow International Film Festival.

Manuel Gutiérrez Aragón: Manuel Gutiérrez Aragón (Torrelavega, Cantabria 2 January 1940) is a Spanish screenwriter and film director.  His 1973 film "Habla, mudita" was entered into the 23rd Berlin International Film Festival.  In 1977, he won the Silver Bear for Best Director for "Camada negra" at the 27th Berlin International Film Festival.  His 1979 film "El corazón del bosque" was entered into the 29th Berlin International Film Festival.  Two years later, his film "Maravillas" was entered into the 31st Berlin International Film Festival.  His 1982 film "Demons in the Garden" was entered into the 13th Moscow International Film Festival where it won the FIPRESCI Prize.  In 1991 he was a member of the jury at the 17th Moscow International Film Festival.

The Commissioner (film): The Commissioner is a 1998 Belgian-German drama film directed by George Sluizer and written by Christina Kallas based on the novel of same name by Stanley Johnson.  It was entered into the 48th Berlin International Film Festival.

Peter Lilienthal: Peter Lilienthal (born 27 November 1929) is a German film director, writer, actor and producer.  His 1979 film "David" won the Golden Bear at the 29th Berlin International Film Festival.  His 1984 film "Das Autogramm" was entered into the 34th Berlin International Film Festival.  In 1996, he was a member of the jury at the 46th Berlin International Film Festival.

Supporting paragraphs: The Commissioner (film) Stanley Johnson (writer)
Answer: Stanley Johnson