Q: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. - Sergio Corbucci (6 December 1926 1 December 1990) was an Italian film director. He is best known for his very violent spaghetti westerns. - Sergio Leone (3 January 1929 30 April 1989) was an Italian film director, producer and screenwriter, credited as the inventor of the "Spaghetti Western" genre. - Minnesota Clay ( aka Le Justicier du Minnesota ) is a 1965 Italian / French / Spanish international co-production spaghetti western directed by Sergio Corbucci . - An international co-production is a production where two or more different production companies are working together, for example in a film production. In the case of an international co-production, production companies from different countries (typically two to three) are working together. What is the relationship between 'minnesota clay' and 'film'?
A:
instance of