Question: Which director is known for his film "Trapped by Boston Blackie", Seymour Friedman or Daryush Shokof?

Context paragraphs:
Seven Servants: Seven Servants is a 1996 German comedy-drama film directed by Daryush Shokof and written by Daryush Shokof and Juliane Schulze.  The film is about a man named Archie, portrayed by Anthony Quinn, who wishes to unite and "connect" the races until his last breath.

After Midnight with Boston Blackie: After Midnight with Boston Blackie is a 1943 crime film, the fifth of a series of 14 Columbia Pictures movies starring Chester Morris as Boston Blackie.  When a recently paroled friend of Boston Blackie is killed, he finds himself once again the prime suspect of Police Inspector Farraday.

Venussian Tabutasco: Venussian Tabutasco Is a 2004 experimental film produced, written and directed by Daryush Shokof.  The title is made up by Shokof, similar to many other titles of works.  It is an original conceptual film about the residents of different stories in a building viewed completely through a glass elevator.  Shot on location in Berlin, Germany in 2004, the film is 60 minutes long and was initially supposed to be shot "uncut" and digitally.  The music score for the film is composed by Tom Dokoupil.  The film was screened in BAPFF film festival in Berlin, Germany, in 2005 and at the New York International Independent Film Festival on March 4, 2007

Daryush Shokof: Daryush Shokof (Persian: داریوش شکوف, born 1954) is an Iranian artist, film director, writer, and film producer based in Germany.

Boston Blackie's Rendezvous: Boston Blackie's Rendezvous is a 1945 American crime film directed by Arthur Dreifuss.  Boston Blackie's life gets complicated when maniac murderer James Cook (Steve Cochran) goes on a killing spree while pretending to be Boston Blackie.  To further complicate matters, the murderer kidnaps Sally Brown (Nina Foch) to keep Boston Blackie at bay.

Seymour Friedman: Seymour Friedman (1917–2003) was an American film director.  He later worked as a production manager in television.  Friedman began his career as an assistant director, before enlisting for military service following America's entry into World War II.  He directed his first film, "Trapped by Boston Blackie", in 1948.  Like many of the other films he directed, it was a low-budget series film.  In the early 1950s, Friedman went to Britain to make a couple of films, before returning to Hollywood.  He directed his last film in 1956, and switched to working entirely in television.

Confessions of Boston Blackie: Confessions of Boston Blackie is a 1941 American crime film directed by Edward Dmytryk and starring Chester Morris and Harriet Hilliard.  A woman consigns a family heirloom to a pair of unscrupulous art dealers in order to raise money to help her sick brother.  This film is the second in the series of 14 Columbia Pictures Boston Blackie films, all starring Morris as the reformed crook.  It was preceded by "Meet Boston Blackie" (1941) and followed by "Alias Boston Blackie" (1942).

Boston Blackie's Chinese Venture: Boston Blackie's Chinese Venture is a 1949 Drama directed by Seymour Friedman, starring Chester Morris, in this film, the last of Columbia's "Boston Blackie" fourteen pictures (1941–49).  Richard Lane, who plays Boston's long-suffering Inspector Farraday, was the only other character in all fourteen of the Boston Blackie movies.  George E. Stone, playing Blackie's sidekick, his dim-witted cronie The Runt, was not in the first or last film but was in all the others.  Charles Wagenheim played The Runt in the first film and Sid Tomack in the last.

Hitler's Grave: Hitler's Grave, also known as "Heaven's Taxi", is a film by Daryush Shokof.  The film is about an Iranian girl played by Taies Farzan who leaves Iran in order to fulfill two promises she makes to her dying brother just moments before he dies.  Her brother Majid, played by Afshin Akhavan, had been fatally tortured by agents from the Islamic Republic of Iran after being arrested for taking part in the protests against the 2009 Iranian presidential election.  The first promise she makes to the brother is that she will go to Berlin, Germany to find Hitler's grave.  The second promise is kept a secret from the audience until the last scene of the film in a masterful Hitchcockian style of suspense as Majid whispers the words into his sister's ear just before he dies.  The film won best awards for Film and Directorial for Daryush Shokof at the NYIIFVF.  The film features well-known German actor Vadim Glowna as a "Grand Rabbi".

Taies Farzan: Taies Farzan is an Iranian-German film actress who was born in Iran and thereafter moved to Germany with her parents at early age of 14.  She started acting on stage for some years until she started acting in films of Daryush Shokof in late nineties.  Her performance in the film "Hitler's Grave" by Daryush Shokof won her best acting award at the New York International Independent Film and Video Festival in 2011.  She became active also as a film producer with Tenussian Vaccuvasco and continued producing several low budget art films including Breathful and Hitler's Grave. She is active in acting in films in Turkey.Taies Farzan speaks English, German, Turkish and Persian fluently.

Supporting paragraphs: Seymour Friedman Daryush Shokof
Answer: Seymour Friedman