Question: Which film director has directed 40 films between 1946 and 1988: Walerian Borowczyk or Sekhar Kammula?

Context paragraphs:
Abijeet: Abijeet Duddala (born 11 October 1988) is an Indian film actor.  He made his debut as the narrative main lead "Srinu" in the film "Life Is Beautiful" directed by Sekhar Kammula in the year 2012.

Happy Days (2007 film): Happy Days is a 2007 Telugu musical coming of age film written, produced and directed by Sekhar Kammula.  The target audience for this movie was primarily the engineering college students in the Telugu speaking states.  The Kannada remake was called "Jolly days" and in Tamil as "Inidhu Inidhu" by noted Indian actor Prakash Raj.  The film won 6 Filmfare Awards South, and 3 Nandi Awards.  The Hindi remake of Happy Days will be directed by Sekhar himself,and it will be co-produced by Salman Khan.

Mr. and Mrs. Kabal's Theatre: Mr. and Mrs. Kabal's Theatre ("Théâtre de Monsieur & Madame Kabal") is a 1967 French animated film directed by Walerian Borowczyk.  It is Borowczyk's first feature-length film and his last animated film.  It consists of a sequence of loosely connected scenes, much like a vaudeville program, in which Mr. and Mrs. Kabal perform absurd, surreal, and sometimes cruel acts.  Borowczyk introduced the personnel in his short film "Le Concert de Monsieur et Madame Kabal" in 1962.

G. V. Rama Raju: Gottimukkala Venkata Rama Raju (Telugu: గొట్టిముక్కల వెంకట రామరాజు ) is an Indian film director and scriptwriter associated with Telugu cinema.  He is basically from the town of Bhimavaram, West Godavari District, Andhra Pradesh.  Ramaraju has undertaken many professions in his life and finally ended up in film industry.  His first movie "Mallela Theeram Lo Sirimalle Puvvu" starring Kranthi, "Sri Divya" receiving critical acclaim from the directors Sekhar Kammula, V. V. Vinayak and Harish Shankar His second movie "Oka Manasu' is a romantic drama starring Niharika Konidela" and "Naga Shourya" which released June 2016.

Anand (2004 film): Anand (   ) is a 2004 Telugu drama film that was directed, produced and written by Sekhar Kammula.  The film has the tagline " Manchi coffee lanti cinema" meaning a movie that is like a cup of good coffee.  The lead roles were played by Raja and Kamalinee Mukherjee.  The film was well received by critics and owing to its success at the box office, it was remade in Tamil as "Ninaithale".  The film's basic story was also chosen as the subject for Sekhar Kammula's thesis screenplay which was a requirement for his Masters in Fine Arts at Howard University.  The film was screened at the International Film Festival of India in the mainstream section.

Walerian Borowczyk: Walerian Borowczyk (21 October 1923 – 3 February 2006) was an internationally known Polish film director described by film critics as a 'genius who also happened to be a pornographer'.  He directed 40 films between 1946 and 1988.  Borowczyk settled in Paris in 1959.  His career as a film director was mainly in France.

Immoral Tales (film): Immoral Tales (French: "Contes immoraux" ) is a 1973 French anthology film directed by Walerian Borowczyk.  The film was Borowczyk's most sexually explicit at the time.  The film is split into four erotic-themed stories that involve the loss of virginity, masturbation, bloodlust, and incest.

Life Is Beautiful (2012 film): Life Is Beautiful is a 2012 Telugu coming-of-age drama film written, produced and directed by Sekhar Kammula.  The film stars six newcomers with Shriya Saran, Anjala Zaveri and Amala Akkineni in key roles.  The movie was jointly produced by Sekhar Kammula and Chandrasekhar Kammula under Amigos Creations banner.  Soundtrack of the film was composed by Mickey J Meyer and the cinematography was handled by Vijay C. Kumar.

Sekhar Kammula: Kumar Shekhar Kammula is an Indian film director, screenwriter and producer from Padmarao Nagar, known for his works exclusively in Telugu cinema.

Sai Kiran Adivi: Sai Kiran Adivi is an Indian film director and producer in the Telugu film industry.  He first worked as an assistant to Sekhar Kammula and made his debut with "Vinayakudu" (2008), starring Krishnudu in the lead role.  His next film was "Village Lo Vinayakudu", the sequel to "Vinayakudu".  Adivi owns the production company and is C.E.O. of "My Dream Cinema PVT. LTD".

Supporting paragraphs: Walerian Borowczyk Sekhar Kammula
Answer: Walerian Borowczyk