Given the question: Information:  - Spaghetti Western, also known as Italian Western or Macaroni Western (primarily in Japan), is a broad subgenre of Western films that emerged in the mid-1960s in the wake of Sergio Leone's film-making style and international box-office success. The term was used by American critics and other countries because most of these Westerns were produced and directed by Italians.  - Even Benestad (born 16 September 1974 in Grimstad, Norway) is a Norwegian documentary film director. Benestad studied cinematography at Oslo Film and Television Academy. His first feature-length documentary All About My Father (2002), which was winner of the "Best Film" award (fiction and non-fiction) at the Amanda Awards in 2002. He is a huge fan of Italian spaghetti westerns, and other italian b-pictures.  - Barbara Steele (born 29 December 1937) is an English film actress and producer. She is best known for starring in Italian gothic horror films of the 1960s. Her breakthrough role came in Italian director Mario Bava's "Black Sunday" (1960).  - Fred Otto Robsahm ( 29 June 1943 - 26 March 2015 ) is a Norwegian film actor . He worked on a few Italian spaghetti westerns in the 1960s and 70s . He was married to Italian film diva Agostina Belli for 15 years . The story of Robsahm 's life was told by Even Benestad in the documentary `` Natural Born Star '' , which premiered in 2007 . His sister is the model , director and editor Margarete Robsahm . Robsahm contracted HIV at the end of the 1980s . .  - A documentary film is a nonfictional motion picture intended to some aspect of reality, primarily for the purposes of instruction, education, or maintaining a historical record. Such films were originally shot on film stockthe only medium availablebut now include video and digital productions that can be either direct-to-video, made into a TV show, or released for screening in cinemas. "Documentary" has been described as a "filmmaking practice, a cinematic tradition, and mode of audience reception" that is continually evolving and is without clear boundaries.  - Cinematography is the science or art of motion-picture photography by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as film stock.  - Norway (; Norwegian: (Bokmål) or (Nynorsk); Sami: "Norgga"), officially the Kingdom of Norway, is a sovereign and unitary monarchy whose territory comprises the western portion of the Scandinavian Peninsula plus the island Jan Mayen and the archipelago of Svalbard. The Antarctic Peter I Island and the sub-Antarctic Bouvet Island are dependent territories and thus not considered part of the Kingdom. Norway also lays claim to a section of Antarctica known as Queen Maud Land. Until 1814, the Kingdom included the Faroe Islands (since 1035), Greenland (1261), and Iceland (1262). It also included Shetland and Orkney until 1468. It also included the following provinces, now in Sweden: Jämtland, Härjedalen and Bohuslän.  - Margarete Robsahm (born 9 October 1942) is a Norwegian model, actress and director. She is the mother of director Thomas Robsahm and sister of the actor Fred Robsahm. To an international audience, she is best known for her role in "Castle of Blood" with Barbara Steele, but she has also starred in Norwegian movies, among these "Line" from 1961. The movie was based on a novel by Axel Jensen and caused a minor scandal in Norway at the time, as Robsahm was the first actress ever to expose her breasts in a Norwegian movie.  - Grimstad is a town and municipality in Aust-Agder county, Norway. It belongs to the geographical region of Sørlandet. The administrative center of the municipality is the town of Grimstad. Other notable places in Grimstad include Eide, Fevik, Fjære, Landvik, Prestegårdskogen, Reddal, and Roresanden.  - Castle of Blood is a 1964 Italian-French horror film directed by Antonio Margheriti and Sergio Corbucci. The film stars Barbara Steele, Arturo Dominici and Georges Rivière. The film was initially commissioned to director Sergio Corbucci who had Gianni Grimaldi and Bruno Corbucci set to write the film. A scheduling conflict led to Corbucci's friend Margheriti being hired to complete the film. To avoid going overtime, Corbucci was brought in to film one scene.    What entity does 'fred robsahm' has the relation 'place of birth' with?
The answer is:
oslo