Question: Who is a film director and live(d) the longest, Roy William Neill or Robert Butler?

Context paragraphs:
Robert Butler (director): Robert Butler (born November 16, 1927) is an American film director and Emmy Award-winning television director.  He is best known for his work in television, where he directed the pilots for a number of influential series including "Star Trek" and "Hill Street Blues".

Love Letters (1917 film): Love Letters is a 1917 American silent drama film directed by Roy William Neill and written by Ella Stuart Carson and Shannon Fife.  The film stars Dorothy Dalton, William Conklin, Dorcas Matthews, Thurston Hall, Hayward Mack, and William Hoffman.  The film was released on December 24, 1917, by Paramount Pictures.  A print of "Love Letters" is held by the Library of Congress.

Love Me (1918 film): Love Me is a surviving 1918 American drama silent film directed by Roy William Neill and written by C. Gardner Sullivan.  The film stars Dorothy Dalton, Jack Holt, William Conklin, Dorcas Matthews, Melbourne MacDowell and Elinor Hancock.  The film was released on March 18, 1918, by Paramount Pictures.

The Kaiser's Shadow: The Kaiser's Shadow is a 1918 American silent drama film directed by Roy William Neill and written by Octavus Roy Cohen and J.U. Giesy.  The film stars Dorothy Dalton, Thurston Hall, Edward Cecil, Leota Lorraine, Otto Hoffman, and Charles K. French.  The film was released on July 1, 1918, by Paramount Pictures.  It is not known whether the film currently survives.

Roy William Neill: Roy William Neill (4 September 1887 – 14 December 1946) was an English film director best known for directing the last eleven of the fourteen Sherlock Holmes films starring Basil Rathbone and Nigel Bruce, made between 1943 and 1946 and released by Universal Studios.

The Viper (film): The Viper is a 1938 British slapstick comedy film directed by Roy William Neill and starring Claude Hulbert and Hal Walters.  The film was a sequel to the previous year's very successful "The Vulture", with Hulbert and Walters reprising their roles as hapless private detective Cedric Gull and his sidekick Stiffy respectively.  Lesley Brook also features in both films, but in unrelated roles.  Directorial duties passed to Neill as Ralph Ince, the director of "The Vulture", had been killed in a road accident shortly after the film's release.

The Black Room (1935 film): The Black Room is a 1935 mystery-horror film, directed by Roy William Neill.  The movie stars Boris Karloff in a dual role as twin brothers (a doppelgänger motif).  The film also features Marian Marsh and Robert (Tex) Allen.  The film was released in Great Britain as The Black Room Mystery.  The striking cinematography was done by Allen G. Siegler.

Tyrant Fear: Tyrant Fear is a 1918 American silent drama film directed by Roy William Neill and written by R. Cecil Smith.  The film stars Dorothy Dalton, Thurston Hall, Melbourne MacDowell, William Conklin, Lou Salter, and Carmen Phillips.  The film was released on April 29, 1918, by Paramount Pictures.  A print of the film is held by the Library of Congress.

Green Eyes (1918 film): Green Eyes is a 1918 American silent drama film directed by Roy William Neill and written by Ella Stuart Carson, John Lynch and R. Cecil Smith.  The film stars Dorothy Dalton, Jack Holt, Emory Johnson, Doris May, Robert McKim, and Clyde Benson.  The film was released on August 11, 1918, by Paramount Pictures.  It is not known whether the film currently survives.

The Menace (film): The Menace is a 1932 American Pre-Code American crime drama film directed by Roy William Neill.  The screenplay by Roy Chanslor, Dorothy Howell, and Charles Logue is based on the 1927 novel "The Feathered Serpent" by Edgar Wallace.

Supporting paragraphs: Roy William Neill Robert Butler (director)
Answer: Robert Butler