Question: Who wrote the screenplay for a 2006 film directed by the director of "The French Connection"?

Context paragraphs:
The French Connection (film): The French Connection is a 1971 American crime thriller film directed by William Friedkin and produced by Philip D'Antoni.  It stars Gene Hackman, Fernando Rey, and Roy Scheider.  The film was adapted and fictionalized by Ernest Tidyman from the 1969 non-fiction book by Robin Moore.  It tells the story of New York Police Department detectives Jimmy "Popeye" Doyle and Buddy "Cloudy" Russo, whose real-life counterparts were Narcotics Detectives Eddie Egan and Sonny Grosso.  Don Ellis scored the film.

Street People (film): Street People (Italian: Gli esecutori , also known as "The Executors" and "The Sicilian Cross") is an Italian crime-action film directed in 1976 by Maurizio Lucidi.  It was written, among others, by the "French Connection" 's screenwriter, Ernest Tidyman.  It was released in United States by American International Pictures.

The Connection (2014 action film): The Connection (French: La French ) is a 2014 French-Belgian action crime thriller film directed by Cédric Jimenez and produced by Alain Goldman.  The film was inspired by the events of the French Connection in the 1970s, starring Jean Dujardin as police magistrate Pierre Michel and Gilles Lellouche as Gaëtan "Tany" Zampa, a drug gang ringleader.  The film premiered at the Toronto International Film Festival on 10 September 2014.

French Connection II: French Connection II is a 1975 crime drama film starring Gene Hackman and directed by John Frankenheimer.  It is a fictional sequel to the initially true story of the 1971 Academy Award winning picture "The French Connection".  The film expands on the central character of Det. Jimmy "Popeye" Doyle who travels to Marseille, France where he is attempting to track down French drug-dealer Alain Charnier, who escaped at the end of the first film.  Hackman won an Academy Award for Best Actor for the original "The French Connection" and he and Fernando Rey are the only returning cast members.

Robert Dillon: Robert Dillon is a screenwriter and film producer.  In 1976 he was nominated by the Writers Guild of America for Best Drama Written Directly for the Screen for "French Connection II".  In 2001 he was nominated for an Independent Spirit Award for Best Screenplay for "Waking the Dead".  Beginning his career in 1959, he has nearly fifty years of experience.

The French Connection (book): The French Connection: A True Account of Cops, Narcotics, and International Conspiracy is a non-fiction book by Robin Moore first published in 1969 about the notorious "French Connection" drug trafficking scheme.  It is followed by the book "The Setup".  The book was adapted to film in 1971 as "The French Connection", written by Ernest Tidyman and Directed by William Friedkin.

Bug (2006 film): Bug is a 2006 American-German independent psychological horror film directed by William Friedkin.  It stars Ashley Judd, Michael Shannon, and Harry Connick Jr. The screenplay by Tracy Letts is based on his 1996 play of the same name in which a woman holed up in a rural Oklahoma motel becomes involved with a paranoid man obsessed with conspiracy theories about insects and the government.  The film debuted at the 2006 Cannes Film Festival before being purchased by Lionsgate, who released the film the following year in May 2007.

William Friedkin: William Friedkin (born August 29, 1935) is an American film director, producer and screenwriter best known for directing "The French Connection" in 1971 and "The Exorcist" in 1973; for the former, he won the Academy Award for Best Director.  Some of his other films include "Sorcerer", "Cruising", "To Live and Die in L.A.", "Jade", "Rules of Engagement", "The Hunted", "Bug", and "Killer Joe".

Gerald B. Greenberg: Gerald B. "Jerry" Greenberg (born July 29, 1936) is an American film editor with more than 40 feature film credits.  Greenberg received both the Academy Award for Film Editing and the BAFTA Award for Best Editing for the film "The French Connection" (1971).  In the 1980s, he edited five films with director Brian De Palma.

Badge 373: Badge 373 is a 1973 crime thriller film inspired, as was "The French Connection", by the life and career of Eddie Egan, here called "Eddie Ryan".  The film, which has a screenplay by journalist Pete Hamill, was co-produced and directed by Howard Koch, and stars Robert Duvall as Ryan, with Verna Bloom, Henry Darrow and Eddie Egan himself as a police lieutenant.

Supporting paragraphs: William Friedkin Bug (2006 film)
Answer: Tracy Letts