Title: Carlos A. Petit
Content:  Carlos A. Petit was one of the most prominent screenwriters in the Cinema of Argentina, writing for over 30 films between 1941 and 1984. He wrote for acclaimed films such as Alma de bohemio (1949), A La Habana me voy and Con la música en el alma. (1951) and Las Apariencias engañan (1958)
Title: Carlos A. Olivari
Content:  Carlos A. Olivari (1902&ndash;1955) was an Argentine screenwriter whose career was at its peak in the 1940s. Olivari wrote the scripts for almost 50 films between 1938 and 1965. Many films that he had written were produced even some ten years after his death. He worked with director Francisco Múgica including one of his earliest films El Solterón in 1939, also writing the story for the 1942 film Adolescencia.
Title: Carlos (film)
Content:  Carlos is a 1971 West German Western television film, which has transplanted the story of Friedrich Schiller's play Don Carlos from 16th century Spain to a 1915 American Western style environment. According to some, the setting should be somewhere in southern Europe, while others claim it is somewhere in the southwestern United States. Due to complicated contracts and shooting problems, it never had the theatrical release that was intended, and was instead shown on German TV. It was directed by Hans W. Geißendörfer, who also wrote the screenplay, and stars Gottfried John and Anna Karina. The film was shot in Eilat in Israel, with several Israelis participating in smaller roles and as extras.
Title: Carlos (miniseries)
Content:  Ilich Ramírez Sánchez, the real-life "Carlos", saw extracts of Assayas's film and his lawyer threatened legal action to prevent its general release, arguing that it could prejudice future trial hearings for Carlos who faces trial for at least four more attacks in France. He read the screenplay and criticized it for its "deliberate falsifications of history, and lies". He was specifically unhappy with a sequence depicting a hostage-taking by his gang at the 1975 OPEC conference in Vienna and how his methods were depicted: "Showing hysterical men waving submachine guns and threatening people is completely ridiculous," he insisted. "Things didn't happen like that. These were professionals, commandos of a very high standard". His lawyer tried to block the film's release, arguing that Carlos had a right to see it beforehand, but the judge dismissed the complaint on the grounds that it violated Assayas's freedom of expression. His lawyer plans to bring two more lawsuits, one that argues the film breaches pre-trial judicial secrecy laws and a second that demands Carlos be paid royalties for his life's role in providing material for the scriptwriters.
Title: Carlos (miniseries)
Content:  Film, in association with Canal+ and French Arte, it was directed by Olivier Assayas from a screenplay by Leconte, Assayas and Dan Franck, and stars Édgar Ramírez as Carlos. The film exists both as a three-part mini-series and a feature film of various lengths between 319 and 338 minutes, as well as in several abridged versions, ranging from 187 minutes (German cinema version) to 166 minutes (US video on demand version). Classified as a theatrical film and as a TV film/TV mini-series, Carlos has been awarded both theatrical awards and TV awards; among them the 2010 Golden Globe award for the Best Miniseries or Motion Picture Made for Television, the 
Title: Carlos Cuarón
Content:  Carlos José Cuarón Orozco (born 2 October 1966) is a Mexican screenwriter, film producer, and film director. He is also brother of the Academy Award-winner Alfonso Cuarón.
Title: Carlos (miniseries)
Content:  the former East Germany. Made with a budget of $18 million, Carlos was Assayas's first foray into television. Originally, he was not interested in the project because it seemed "too crazy and too complicated". He was drawn to the project because it allowed him to make a film dealing with recent history and real people. He said, "not long ago, the idea of making a film about Carlos would have scared French producers, but nowadays I sense that we're being encouraged to make films that have a contemporary dimension". Actor Edgar Ramirez said, "What we're trying to do is demystify him. This guy who supposedly had everything figured out was not as keen as he was said to be. The public and historical image was as history's big manipulator but in many moments of his life, he was being manipulated".
Title: Carlos Sorín
Content:   Carlos Sorín (born 1944 in Buenos Aires, Argentina) is a film director, screenplay writer, cinematographer, and film producer. He works mainly in the cinema of Argentina.
Title: Carlos Cuarón
Content:  Carlos Cuarón was born in Mexico City and studied English literature at UNAM. He wrote the screenplay for Sólo con tu pareja in 1991 which was directed by his brother, Alfonso and won the Ariel Award for best original screenplay the same year. Along with his brother, he wrote the screenplay for Y tu mamá también (starring Gael García Bernal, Diego Luna and Maribel Verdú) and received the Silver Lion for best original screenplay in the 2001 edition of Venice International Film Festival. They were nominated to the BAFTA awards as well as the Academy Award in the same category. In December 2008, Rudo y Cursi (Rude and Corny) his first movie as a director was released. It also stars Diego Luna and Gael García Bernal.
Title: 7 mujeres, 1 homosexual y Carlos
Content:  7 mujeres, 1 homosexual y Carlos ("7 women, 1 homosexual and Carlos") is a Mexican comedy movie filmed in Tijuana and released in 2004. The film was written and directed by René Bueno, a young filmmaker from Ensenada, Baja California. Bueno received the financial support of Marissa Gómez a journalist and promoter of Mexican cinema to portray a story typical of the life of middle-class young people in contemporary Tijuana. The film stars Mauricio Ochmann in the role of Carlos and Adriana Fonseca as his girlfriend. This film was released on 1 June 2004 and in three days its box-office output was more than three million pesos (roughly 285,000 dollars). The film was also presented in several Latin American film festivals as well as the San Diego Latino Film Festival, and the Madrid Comedy Film Festival of Madrid in 2005.

Question: Who was the screenwriter for Carlos?
Answer: Olivier Assayas.