Question: Return to House on Haunted Hill is a sequel to a 1999 horror film directed by whom?

Context paragraphs:
The Atomic Space Bug: The Atomic Space Bug is a 1999 horror film directed by Jonathan M. Parisen and starring Conrad Brooks ("Plan 9 from Outer Space").  "The Atomic Space Bug" is Parisen's homage to such fifties films as "Robot Monster" and "Plan 9 from Outer Space".  The film is about a giant insect-like creature that terrorizes a small town.

Return to House on Haunted Hill: Return to House on Haunted Hill is a 2007 direct-to-DVD horror film and the sequel to the 1999 film "House on Haunted Hill".  Directed by Víctor García and written by William Masa, the film stars Amanda Righetti, Tom Riley, Cerina Vincent and Erik Palladino.  The film follows Ariel Wolfe - younger sister of Sara Wolfe; the previous films protagonist - being forced by a group of people to search for a mysterious idol hidden inside a haunted psychiatric asylum.

Ali Larter: Alison Elizabeth "Ali" Larter (born February 28, 1976) is an American actress.  She portrayed fictional model Allegra Coleman in a 1996 "Esquire" magazine hoax and took on guest roles on several television shows in the 1990s.  She made her film debut in "Varsity Blues" (1999), which was followed by the horror films "House on Haunted Hill" (1999), "Final Destination" (2000) and "Final Destination 2" (2003).

Víctor García (Spanish director): Víctor García (born 4 December 1974) is a Spanish film director best known for his award-winning short film "El ciclo" and the 2007 American horror film "Return to House on Haunted Hill".

Thirteen Ghosts: Thirteen Ghosts (also known as 13 Ghosts and stylized as THIR13EN Ghosts) is a 2001 Canadian-American supernatural horror film directed by Steve Beck.  It is a remake of the 1960 film "13 Ghosts" by William Castle.  It follows the remake of another one of Castle's films, "House on Haunted Hill", and was shot entirely around Lower Mainland, British Columbia.

House on Haunted Hill: House on Haunted Hill is a 1959 American horror film directed by William Castle.  The film was written by Robb White and stars Vincent Price and Carol Ohmart as eccentric millionaire Frederick Loren and his wife Annabelle, who have invited five people to the house for a "haunted house" party.  Whoever stays in the house for one night will earn $10,000.  As the night progresses, all the guests are trapped inside the house with ghosts, murderers, and other terrors.

Memorial Day (1999 film): Memorial Day (also known as Memorial Day Killer) is a 1999 horror film directed by Christopher Alender, and written by Marcos Gabriel.

House on Haunted Hill (1999 film): House on Haunted Hill is a 1999 American horror film directed by William Malone and starring Geoffrey Rush, Famke Janssen, Taye Diggs, Ali Larter, and Jeffrey Combs.  It also includes a cameo appearance by Peter Graves.  The plot follows a group of strangers who are invited to a party at an abandoned asylum, where they are offered $1 million each by an amusement park mogul if they are able to survive the night.  Produced by Robert Zemeckis and Joel Silver, it is a remake of the 1959 film of the same title directed by William Castle, and features special effects by famed make-up artists Gregory Nicotero and Dick Smith.

Wishmaster 2: Evil Never Dies: Wishmaster 2: Evil Never Dies is a 1999 horror film and a sequel to the 1997 film "Wishmaster".  The film was released on DVD on August 17, 1999 and bundled with the first film.

The Deadly Camp: The Deadly Camp (Shan gou 1999) is a 1999 horror film written and directed by Bowie Lau, and co-written by Kenneth Hau Wai Lai.

Supporting paragraphs: Return to House on Haunted Hill House on Haunted Hill (1999 film)
Answer: William Malone