Question: What is the fifth installment in the series based on the real life cases of Ed and Lorraine Warren?

Context paragraphs:
The Nun (2018 film): The Nun is an upcoming American horror film directed by Corin Hardy.  The screenplay by Gary Dauberman is from a story by Dauberman and James Wan.  It is a spin-off of 2016's "The Conjuring 2" and is set to be the fifth installment in "The Conjuring" series.  It stars Taissa Farmiga, Demián Bichir, Charlotte Hope and Bonnie Aarons.  The film is scheduled for release on July 13, 2018 by Warner Bros.  Pictures.

The Dean Case: The Dean Case is a 1982 Australian TV movie which was the first of the ABC's "Verdict" series - four telemovies based on real life cases.

Stephen A. Shapiro: Stephen A. Shapiro was an American author, psychotherapist, management consultant and founding executive of the Volunteer Counselling Service of Rockland County.  His most famous book is "Manhood, a new definition," in which inspiring himself from real life cases, personal experience and recent feminist literature, he analyses behavioural patterns of contemporary men and their relationship with women, and suggests solutions to their limits and dissatisfactions.  "Manhood" is quoted by Canadian psychoanalyst Guy Corneau in his renowned work "Absent fathers, lost sons" as a landmark in the new movement of masculinity analysis which started in the late 1970s.

The Conjuring (film series): The Conjuring is an American horror film series distributed by the New Line Cinema division of Warner Bros.  Pictures.  The films present a fictional take on the real-life cases of Ed and Lorraine Warren, paranormal investigators and authors associated with prominent yet controversial cases of haunting.  The main series follows their attempts to assist people who find themselves possessed by demonic spirits, while the spin-off films focus on the origins of some of the entities the Warrens have come across.

Annabelle (doll): Annabelle is a Raggedy Ann doll alleged by demonologists Ed and Lorraine Warren to be haunted.  The doll resides in a glass box at The Warrens' Occult Museum in Monroe, Connecticut.  The story served as the inspiration for the films "Annabelle" (2014) and "" (2017).  Annabelle has been compared to Robert the Doll and was described in Gerald Brittle's 2002 biography of Ed and Lorraine Warren, "The Demonologist".

Annabelle (film): Annabelle is a 2014 American supernatural horror film directed by John R. Leonetti, written by Gary Dauberman and produced by Peter Safran and James Wan.  It is a prequel to 2013's "The Conjuring" and the second installment in "The Conjuring" series.  The film was inspired by a story of a doll named Annabelle told by Ed and Lorraine Warren.  The film stars Annabelle Wallis, Ward Horton, and Alfre Woodard.

The Conjuring: The Conjuring is a 2013 American supernatural horror film directed by James Wan and written by Chad Hayes and Carey W. Hayes.  It is the first installment in "The Conjuring" series.  Patrick Wilson and Vera Farmiga star as Ed and Lorraine Warren, paranormal investigators and authors associated with prominent cases of haunting.  Their purportedly real-life reports inspired "The Amityville Horror" story and film franchise.  The Warrens come to the assistance of the Perron family (Ron Livingston and Lili Taylor), who are experiencing increasingly disturbing events in their farmhouse in Rhode Island in 1971.

The Conjuring 2: The Conjuring 2 is a 2016 American horror film directed by James Wan.  The screenplay is by Chad Hayes, Carey W. Hayes, Wan and David Leslie Johnson.  It is the sequel to 2013's "The Conjuring" and the third installment in "The Conjuring" series.  Patrick Wilson and Vera Farmiga reprise their roles as paranormal investigators and authors Ed and Lorraine Warren from the first film.  The film follows the Warrens as they travel to England to assist the Hodgson family, who are experiencing poltergeist activity at their Enfield council house in 1977 which later became referred to as the Enfield Poltergeist.

Negative checking: Negative checking is a process by which producers of film, television and radio programs will attempt to ensure that the names of fictional characters cannot be confused with real life people.  For instance, during the making of the series "Inspector Morse", the producers of the show checked with local police authorities to check that the names of characters used in the program could not be confused with individuals in any real life cases.  The primary reason for this practice is to prevent any possible legal action for libel which could result.

Mujer, Casos de la Vida Real: Mujer, casos de la vida real (translated: "Woman, Real Life Cases") is an anthology telenovela produced by mexican television network Televisa for Canal de las Estrellas.  The show first aired after the Mexican earthquake of 1985 as a method to assist victims of the natural disaster.  Though its execution was not exactly as conceived, Televisa continued the program after seeing the outpouring of response from the Mexican public.

Supporting paragraphs: The Nun (2018 film) The Conjuring (film series)
Answer: The Nun