Question: Who directed the film that chronicled Stephen Kaplan's attempt to prove thatt the Amityville Horror hauntings were a hoax?

Context paragraphs:
Stephen Kaplan: Stephen Kaplan (September 19, 1940 – June 9, 1995) was a noted paranormal investigator, vampirologist, and founder/director of the Vampire Research Center and the Parapsychology Institute of America, both of which were founded in Suffolk County, New York and subsequently relocated to Elmhurst, Queens.  He was a popular author and radio commentator, best known for his vocal skepticism of the alleged Amityville Horror hauntings.  Kaplan lived in Suffolk County, New York and worked for the New York City Board of Education.  His overview of the Amityville Horror became the basis for the film Amityville 3-D that chronicles his attempt to prove the story was a hoax.

Amityville: The Awakening: Amityville: The Awakening is a 2017 American supernatural horror film written and directed by Franck Khalfoun.  It is the tenth installment of the main "Amityville" film series and a direct sequel to "The Amityville Horror" (1979), which ignores the subsequent sequels from the original series from 1982 to 1996 and the 2005 remake of the original film.  The film stars Bella Thorne, Cameron Monaghan, Jennifer Jason Leigh, Thomas Mann, Jennifer Morrison and Kurtwood Smith.  The film is scheduled to be released by Dimension Films, a division of The Weinstein Company.

Amityville Death House: Amityville Death House is a 2015 direct-to-video  horror film.  The film is based on the 1977 novel "The Amityville Horror".  The film follows the trend of films based on The Amityville Horror having little to nothing to do with the events in the book and only using the location and the DeFeo murders and the 112 Ocean Avenue house as a plot point.  The film was directed by Mark Polonia, one of the Polonia brothers.  The film uses a relatively unknown cast with the exception of Eric Roberts as "The Dark Lord".

Amityville: It's About Time: Amityville: It's About Time (originally Amityville 1992: It's About Time) is a 1992 American supernatural horror film directed by Tony Randel.  It is the sixth film based on the Amityville horror.  It was released direct-to-video in 1992 by Republic Pictures Home Video.  Lionsgate Home Entertainment and FremantleMedia North America released the film to DVD with the 1992 removed from the title in July 2005.

Amityville II: The Possession: Amityville II: The Possession is a 1982 Mexican-American supernatural horror film directed by Damiano Damiani.  The screenplay by Tommy Lee Wallace is based on the novel "Murder in Amityville" by the parapsychologist Hans Holzer.  It is a prequel to "The Amityville Horror", set at 112 Ocean Avenue and featuring the fictional Montelli family loosely based on the DeFeo family.  The cast includes Academy Award nominee Burt Young, who was known for "Rocky" at the time.  This film includes one of Young's rare darker roles as he plays an abusive and sadistic father/husband in contrast to his more easygoing roles.  It is the second installment in the "Amityville" franchise.

Amityville Dollhouse: Amityville Dollhouse is a 1996 American supernatural horror film directed by Steve White, and starring Robin Thomas, Allen Cutler, Lenore Kasdorf, and Lisa Robin Kelly.  The film follows a family who find themselves haunted after discovering a dollhouse replica of 112 Ocean Avenue—the site of the Amityville hauntings—on their property.  It is the eighth film in the "Amityville Horror" film series, and was released directly to video.

The Amityville Playhouse: The Amityville Playhouse is a 2015 horror film and is loosely based on "The Amityville Horror" but only using the location as a plot point.  Instead of the usual 112 Ocean Avenue house, it is about a haunted theatre in Amityville.  It had a limited theatrical release and was released on DVD in the UK April 13, 2015 with a US release on June 23, 2015.  The film was directed by John R. Walker and co-written with Steve Hardy.

Amityville 4: The Evil Escapes: Amityville 4: The Evil Escapes (also known on screen as Amityville Horror: The Evil Escapes) is a 1989 American supernatural horror television film which premiered on NBC on May 12, 1989.  It is fourth film based on the Amityville horror.  It was released on home video by Vidmark Entertainment, then released on DVD twice by Allumination Filmworks in 2003 and 2007.  This was the only Amityville sequel to be based on a book in the main book series. ""  was also going to air on NBC but the film was never made.

The Amityville Horror (1979 film): The Amityville Horror is a 1979 American supernatural horror film directed by Stuart Rosenberg, based on Jay Anson's 1977 book of the same name.  It stars James Brolin and Margot Kidder as a young couple who purchase a home they come to find haunted by combative supernatural forces.  The story is based on the alleged experiences of the Lutz family who bought a new home on 112 Ocean Avenue in Amityville, New York, a house where a mass murder had been committed the year before.  It is the first film based on the Amityville horror.

Amityville 3-D: Amityville 3-D (also known as Amityville III: The Demon) is a 1983 American supernatural horror film and the third film based on the Amityville horror.  It was one of a spate of 3-D films released in the early 1980s.  The film was directed by Richard Fleischer and the script was written by David Ambrose (under the pseudonym William Wales).  It was the only Orion Pictures film filmed in 3-D.

Supporting paragraphs: Stephen Kaplan Amityville 3-D
Answer: Richard Fleischer