Question: Who has represented the congressional district for Wilkins Township, Allegheny County, Pennsylvania since 2003

Context paragraphs:
West Allegheny School District: The West Allegheny School District is a midsized, suburban public school district which is located in the western corner of Allegheny County, approximately 16 mi from downtown Pittsburgh.  The district comprises Findlay Township, North Fayette Township, and the Oakdale Borough.  The district encompasses approximately 59 sqmi and is the largest in Allegheny County in terms of geographical area.  The West Allegheny School District is home of the Pittsburgh International Airport terminal.  West Allegheny was formed in 1949.

Allegheny County Fairgrounds: Allegheny County Fairgrounds located in South Park in South Park Township, Allegheny County, Pennsylvania, was acquired and designed for use in 1927 by the Allegheny County Department of Parks.  Beginning in 1932, this was the location of the Allegheny County Fair.  It was added to the List of Pittsburgh History and Landmarks Foundation Historic Landmarks in 2009.

Wilkins Township, Allegheny County, Pennsylvania: Wilkins Township is a township in Allegheny County, Pennsylvania, United States.  The population was 6,357 at the 2010 census.  It is served by Pennsylvania's 18th congressional district, the 43rd District of the Pennsylvania State Senate, and the 34th District of the Pennsylvania State House of Representatives.

Woodland Hills School District: Woodland Hills School District is a public school district located in Allegheny County, Pennsylvania, serving twelve municipalities in the Pittsburgh area; Braddock, Braddock Hills, Chalfant, Churchill, East Pittsburgh, Edgewood, Forest Hills, North Braddock, Rankin, Swissvale, Turtle Creek and Wilkins Township.  Woodland Hills School District encompasses approximately 12 sqmi .  According to 2000 federal census data, it serves a resident population of 52,876.  In school year 2007-08 the Woodland Hills School District provided basic educational services to 4,865 pupils through the employment of 400 teachers, 162 full-time and part-time support personnel, and 42 administrators.  Woodland Hills School District received more than $27.3 million in state funding in school year 2007-08.

Harrison Township, Allegheny County, Pennsylvania: Harrison Township is a township in Allegheny County in the U.S. state of Pennsylvania.  The population was 10,461 at the 2010 census.  Pennsylvania Route 28 passes through Harrison Township connecting Kittanning to the northeast and Pittsburgh to the southwest.  Allegheny Technologies has extensive steel mill facilities in Harrison Township, including its Allegheny Ludlum Brackenridge Works.  Harrison Township is located at the far northeast corner of Allegheny County.  Its northern border is the Butler County line and the Allegheny River forms the township's eastern boundary with Westmoreland County.  Its northeast corner also touches Armstrong County.

Allegheny County Airport Authority: Allegheny County Airport Authority is a Municipal Authority in Allegheny County, Pennsylvania that oversees and maintains the Allegheny County airport system.  These include management of Pittsburgh International Airport as well as Allegheny County Airport.  The Authority is also a key lobbying and public interest agency often representing the local aviation industry and related industry interests in Harrisburg (the state capital) and on the federal level.

Northland Public Library: Northland Public Library is a public library serving Allegheny County, Pennsylvania.  Located in McCandless Township about eight miles north of downtown Pittsburgh, Pennsylvania, it is operated as a municipal authority supported by the residents of McCandless, Ross Township, the Borough of Franklin Park, Marshall Township, and the Borough of Bradford Woods.  It is one of the largest suburban public libraries in Pennsylvania with over 38,000 cardholders and well over 1.1 million items circulated in 2012.  The library is a member of the Allegheny County Library Association.

Allegheny County Police Department: The Allegheny County Police Department is a Pennsylvanian policing agency with county-wide authority, provides law enforcement on County property.  The ACPD patrols the Pittsburgh International Airport, the Allegheny County Airport, and county-owned properties and parks, including North Park and South Park.  The County Police provides assistance to local police from the 130 municipalities and other law enforcement in Allegheny County, with a Detective Division including General Investigations, Homicide and Narcotics units.  The Allegheny County Police Department was established in 1932 by an act of the Allegheny County Board of Commissioners and the Pennsylvania Legislature.  It investigates all criminal activity which occurs on county-owned property, and provides assistance to local police departments and criminal justice agencies, usually in the form of manpower or specialized services.  It is staffed by more than 239 sworn officers and 50 civilians.

Pennsylvania's 18th congressional district: Pennsylvania's 18th congressional district includes parts of Greene County, Washington County, Allegheny and Westmoreland Counties.  Republican Tim Murphy has represented the district since 2003.

Allegheny Valley School District: The Allegheny Valley School District is a small, suburban, public school district located in Allegheny County, Pennsylvania.  It covers Cheswick and Springdale boroughs and Harmar and Springdale townships in Allegheny County, Pennsylvania.  The district encompasses approximately 10 sqmi .  According to 2000 federal census data, it serves a resident population of 10,771 people.  In 2009, the district residents’ per capita income was $22,071, while the median family income was $45,562.  In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.  According to District officials, in school year 2007-08 the Allegheny Valley School District provided basic educational services to 1,193 pupils.  It employed 92 teachers, 79 full-time and part-time support personnel, and 11 administrators.  Allegheny Valley School District received more than $4.2 million in state funding in school year 2007-08.

Supporting paragraphs: Wilkins Township, Allegheny County, Pennsylvania Pennsylvania's 18th congressional district
Answer: Tim Murphy