Question: Who was one of the most important producers-directors of the German silent cinema, Maya Deren or Frederic Zelnik ?

Context paragraphs:
Count Varenne's Lover: Count Varenne's Lover (German: Die Geliebte des Grafen Varenne) is a 1921 German silent comedy film directed by Frederic Zelnik and starring Lya Mara, Josef Commer and Johannes Riemann.  It premiered in Berlin on 3 March 1921.

Teiji Ito: Teiji Ito (伊藤貞司 , Itō Teiji , January 22, 1935 – August 16, 1982) was a Japanese composer and performer.  He is best known for his scores for the avant-garde films by Maya Deren.  The independent filmmaker, Barbara Hammer, continues to promote and educate the world about both Teiji and his wife, Maya Deren.

Filmworks X: In the Mirror of Maya Deren: Filmworks X: In the Mirror of Maya Deren features a score for film by John Zorn.  The album was released on Zorn's own label, Tzadik Records, in 2001 and contains music that Zorn wrote and recorded for the documentary film "In the Mirror of Maya Deren" on the life and work of Maya Deren directed by Martina Kudlácek.

Maya Deren: Maya Deren (April 29, 1917 – October 13, 1961), born Eleanora Derenkowskaia (Russian: Элеоно́ра Деренко́вская ), was a Russian-American filmmaker and one of the most important American experimental filmmakers and entrepreneurial promoters of the avant-garde in the 1940s and 1950s.  Deren was also a choreographer, dancer, film theorist, poet, lecturer, writer and photographer.

Maya Deren Award: The American Film Institute Award for Independent Film and Video Artists, subtitled and generally known as the Maya Deren Award, was an award presented to filmmakers and video artists by the American Film Institute to honor independent filmmaking.  Named for the avant-garde experimental film artist Maya Deren, it was given from 1986 through 1996.

The Girl from Capri: The Girl from Capri (German: Das Mädel von Capri) is a 1924 German silent comedy film directed by Frederic Zelnik and starring Lya Mara, Ulrich Bettac and Robert Scholz.  It premiered in Berlin on 10 July 1924.

Frederic Zelnik: Frederic Zelnik (17 May 1885 - 29 November 1950) was one of the most important producers-directors of the German silent cinema.  He also appeared on screen as an actor.

In the Mirror of Maya Deren: The documentary In the Mirror of Maya Deren ("Im Spiegel der Maya Deren", 2002) is a film about avant garde filmmaker Maya Deren (1917-1961) by Austrian film maker Martina Kudlacek.  It is based on the biography "The Legend of Maya Deren".

At Land: At Land (1944) is a 15-minute silent experimental film written, directed by, and starring Maya Deren.  It has a dream-like narrative in which a woman, played by Deren, is washed up on a beach and goes on a strange journey encountering other people and other versions of herself.  Deren once said that the film is about the struggle to maintain one's personal identity.

Dancing Vienna: Dancing Vienna (German: Das tanzende Wien) is a 1927 German silent film directed by Frederic Zelnik and starring Lya Mara, Ben Lyon and Alfred Abel.  The film's art direction was by Andrej Andrejew, Ferdinand Bellan and Erich Kettelhut.  It was one of several prototypes of the Heimatfilm made by Zelnik in the 1920s.  The film was intended as a loose sequel to Zelnik's "The Blue Danube" (1926).

Supporting paragraphs: Frederic Zelnik Maya Deren
Answer: Frederic Zelnik