Question: Who was the director of the 1959 American Western film in which the actor, who played Reverend Robert Alden in "Little House on the Prairie", plays a role?

Context paragraphs:
Little House on the Prairie (TV series): Little House on the Prairie (known as Little House: A New Beginning in its final season) is an American western drama television series, starring Michael Landon, Melissa Gilbert, and Karen Grassle, about a family living on a farm in Walnut Grove, Minnesota, in the 1870s and 1880s.  The show is an adaptation of Laura Ingalls Wilder's best-selling series of "Little House" books.  Television producer and NBC executive Ed Friendly became aware of the story in the early 1970s.  He asked Michael Landon to direct the pilot movie.  Landon agreed on the condition that he could also play Charles Ingalls.

Robert Alden: Reverend Edwin Hyde Alden, known as "Robert Alden" (January 14, 1836 – May 6, 1911) was one of the many real people upon whom Laura Ingalls Wilder based a character in the ""Little House on the Prairie"" series of books and the NBC television series of the same name.

Plunderers of Painted Flats: Plunderers of Painted Flats is a 1959 American Western film directed by Albert C. Gannaway and written by John Greene and Phil Shuken.  The film stars Corinne Calvet, John Carroll, Skip Homeier, George Macready, Edmund Lowe and Bea Benaderet.  The film was released on January 23, 1959, by Republic Pictures.

The Miracle of the Hills: The Miracle of the Hills is a 1959 American Western film directed by Paul Landres and written by Charles Hoffman.  The film stars Rex Reason, Nan Leslie, Betty Lou Gerson, Charles Arnt, Jay North and June Vincent.  The film was released on July 29, 1959, by 20th Century Fox.

Little House on the Prairie (film): Little House on the Prairie is a 1974 American made-for-television film which served as the pilot to the "Little House on the Prairie" TV series.  It is closely based on the "Little House on the Prairie" novel; second of the "Little House" series of books by Laura Ingalls Wilder.

Katy Kurtzman: Katy Kurtzman (born September 16, 1965, Washington, D.C.) is an American actress.  She began her career as a child actress.  In 1977, Michael Landon cast Katy as stuttering Anna who was abused by Nellie on "Little House on the Prairie".  Katy also starred in the "Little House on the Prairie" fourth season episode "I Remember, I Remember" with Matthew Laborteaux, playing young Caroline and young Charles, respectively.  This episode aired on January 23, 1978 and is Production # 4016.

Dabbs Greer: Robert William "Dabbs" Greer (April 2, 1917 – April 28, 2007) was an American actor who performed many diverse supporting roles in film and television for over 50 years.  His distinctive voice and southern accent was a good fit for shows featuring rustic characters, especially westerns.  He was also portrayed on other shows as a minister, and one of his most remembered roles was as the Reverend Robert Alden in NBC's "Little House on the Prairie".  Earlier, Greer had a recurring role as Coach Ossie Weiss in the NBC sitcom "Hank".

Little House on the Prairie (miniseries): Laura Ingalls Wilder's Little House on the Prairie is a 2005 family western television miniseries directed by David L. Cunningham.  It is a six-part adaptation of children's novels "Little House in the Big Woods" (1932) and "Little House on the Prairie" (1935) by Laura Ingalls Wilder.  The series was broadcast on ABC as part of The Wonderful World of Disney anthology series.

List of Little House on the Prairie episodes: The following is a list of episodes for the television show "Little House on the Prairie", an American Western drama about a family living on a farm in Walnut Grove, Minnesota from the 1870s to the 1890s.  The show is an adaptation of Laura Ingalls Wilder's series of Little House books.

Lone Texan: Lone Texan is a 1959 American Western film directed by Paul Landres and written by James Landis and Jack W. Thomas.  The film stars Willard Parker, Grant Williams, Audrey Dalton, Douglas Kennedy, June Blair and Dabbs Greer.  The film was released on March 1, 1959, by 20th Century Fox.

Supporting paragraphs: Lone Texan Dabbs Greer
Answer: Paul Landres