Question: The mayor of Murray, Utah from 1910 to 1912 worked for a railroad that operates how many locamotives?

Context paragraphs:
Murray Central (UTA station): Murray Central is a light rail and commuter rail station in Murray, Utah, United States served by the Blue Line and Red Line of Utah Transit Authority's (UTA) TRAX light rail system that operates in Salt Lake County and by the "FrontRunner", UTA's commuter rail train that operates along the Wasatch Front with service from Pleasant View in northern Weber County through Ogden, Davis County, Salt Lake City, and Salt Lake County to Provo in central Utah County.  The "FrontRunner" portion of the station is part of the "FrontRunner" South extension.  The Blue Line provides service from Downtown Salt Lake City south to Draper.  The Red Line provides service from the University of Utah to the Daybreak Community of South Jordan.  The station is situated immediately west of the Intermountain Medical Center complex.

Joseph Stratton: Joseph H. Stratton (September 1854 – 1922) was elected mayor of Murray, Utah from 1904 to 1905.  He was one of the first candidates for mayor of the new city, but was defeated by Chillion L. Miller.  During Stratton’s administration the Progress Company was granted a franchise to set poles and string wire to carry electric current within the limits of Murray city.  In 1904, there was a move to bond the city for the purpose of installing a water system and proposed bonding but the matter did not develop into a bond.  Murray city set up its water system and the first 21 hydrants were to be in place and ready for use in December 1905.  The following streets received names Murray Street, Vine Street, and Atwood Street.  During Mayor Stratton’s term the poll tax was discontinued.  Murray also began acquiring or constructing public buildings such as a courthouse and jail.

Phillip Bentz: Phillip Bentz was mayor of Murray, Utah from 1910 to 1912.  Bentz was born in Washington Court House, Ohio October 1, 1860.  He worked for the Union Pacific Railroad for 40 years and as the Murray station superintendent.  He was an officer in the local Fraternal Order of Eagles.

List of mayors of Murray, Utah: Murray, Utah was declared a city July 3, 1902, instituting a mayor-council form of government.  The mayor of Murray was originally partisan, but switched to a non-partisan position.  The term of mayor was originally two years, but amended to a four-year term in the 1940s in accordance with state law.  The following is a list of Mayors of Murray, Utah.

Union Pacific Railroad: The Union Pacific Railroad (or Union Pacific Railroad Company and simply Union Pacific) is a freight hauling railroad that operates 8,500 locomotives over 32,100 route-miles in 23 states west of Chicago and New Orleans.  The Union Pacific Railroad system is the largest in the United States and it is one of the world's largest transportation companies.  The Union Pacific Railroad is the principal operating company of the Union Pacific Corporation (); both are headquartered in Omaha, Nebraska.

Fred Peters: Frederick “Fred” Peters was mayor of Murray, Utah, United States, from 1932 to 1934.  He was born at Gelderland, Netherlands, and came to Utah at the age of 1.  As a young man he worked as a "moler" for the Union Pacific Railway.  He later entered the mattress and upholstery business, and eventually started a wallpaper and interior decorating business.  In 1912 he became City Marshal, and held this office until 1916.  From 1916 to 1931, Peters was the city's health officer.  During his administration, the new Murray city electric power plant was completed.

LaRell Muir: LaRell David Muir (born 1929) was Mayor of Murray, Utah from 1977 to 1986.  During his administration, Murray constructed its present city hall, (essentially renovating Arlington Elementary School).  He was noted for increasing Murray's presence in the arts, especially its sponsorship of the Murray Symphony Orchestra.  He was also noted for his opposition of annexing then unincorporated Taylorsville, Utah into Murray which would have doubled its population.  He was defeated in his re-election bid by Lavar McMillan.

Isaac Lester: Isaac "Ike" Lester was mayor of Murray, Utah from 1923–1929.  He was Murray's first mayor to serve three terms.  Lester defeated incumbent Charles Anderson.  Lester's term was noted for improving a lighting system for the city and offering a contract through Utah Power and Light Company for the service.  He was a member of the fraternal order Woodmen of the World.  Prior to his election, he was a Sergeant in 4th Regimental Cavalry in the Spanish–American War and was a chief in the Murray fire department.

Lynn Pett: Lynn F. Pett (born 1940) was mayor of Murray, Utah from 1990-1998.  Prior to serving as Mayor, Pett worked in government service for six years as executive assistant to the mayor of Murray.  Pett began his career in 1958 and has worked under five Murray mayors and two commissioners.  He has also served on the Murray Community Education Program, the University of Utah Recreation and Parks Advisory Board, the Murray Boys and Girls Club Advisory Board and the Murray United Way Board.  Pett was born in Eureka, Utah and graduated from the University of Utah with a degree in Biology.

George Huscher: George Albert Huscher was elected mayor of Murray, Utah from 1912 and re-elected in 1914.  He ran for the statewide office of Secretary of State in 1916 but was defeated.  He remains to date the Socialist party’s highest elected official in Utah.  Murray had a huge labor and union population that was affiliated with the many smelter operations in the area, which backed Murray’s Socialist party over the competing Citizen’s party.  Huscher’s victory caused a two-day celebration, including a parade and bonfires that was finally put to an end by the city marshal.

Supporting paragraphs: Phillip Bentz Union Pacific Railroad
Answer: 8,500