Question: New Jersey's 11th congressional district is represented by a politician who has served since what year?

Context articles: Massachusetts's 5th congressional district
Archibald E. Olpp
Frederick R. Lehlbach
Matthew John Rinaldo
Oscar L. Auf der Heide
Peter Angelo Cavicchia
Rodney Frelinghuysen
Michael Grimm (politician)
Edward L. O'Neill
New Jersey's 11th congressional district

Massachusetts' 5th congressional district is a congressional district in eastern Massachusetts.
 The district is represented by Katherine Clark.
 Massachusetts congressional redistricting after the 2010 census has changed the borders of the district starting with the elections of 2012, with the new 3rd district largely taking the place of the old 5th.
 The 5th district had covered many of the communities represented in the old 7th district.
 As of 2010, the population of the 5th congressional district was 727,515.
 On July 15, 2013, Ed Markey resigned from the seat to become the junior Senator from Massachusetts.
 On December 10, 2013, Democrat Katherine Clark won a special election to fill the seat for the remainder of the 113th Congress.
 She was sworn into office on December 12, 2013.
Archibald Ernest Olpp (May 12, 1882 – July 26, 1949) was an American physician and politician who served a single term in the U.S. Representative from New Jersey.
 He was the first Republican to be elected to Congress from the New Jersey's 11th congressional district since it was created in 1913.
Frederick Reimold Lehlbach (January 31, 1876 – August 4, 1937) was an American lawyer and politician.
 As a Republican, Lehlbach served as the U.S. Representative for New Jersey's 10th congressional district from 1915 to 1933 and as the representative from New Jersey's 12th congressional district from 1933 to 1937.
 Lehlbach was also the nephew of Herman Lehlbach, a former U.S. Representative from New Jersey's 6th congressional district who served from 1885 to 1891.
Matthew John "Matt" Rinaldo (September 1, 1931 – October 13, 2008) was an American Republican Party politician who represented New Jersey in the United States House of Representatives for twenty years in the 12th congressional district (1973–1983) and in the 7th congressional district (1983–1993).
Oscar Louis Auf der Heide (December 8, 1874 – March 29, 1945) was an American Democratic Party politician who represented New Jersey's 11th congressional district in the United States House of Representatives from 1925–1933, and the 14th congressional district from 1933-1935.
Peter Angelo Cavicchia (May 22, 1879 – September 11, 1967) was an American Republican Party politician from New Jersey, who served in the United States House of Representatives, where he represented New Jersey's 11th congressional district.
Rodney Procter Frelinghuysen (born April 29, 1946) is the U.S. Representative for New Jersey 's 11th congressional district , serving since 1995.
 The district includes most of Morris County, an affluent suburban county west of New York City.
 It also includes some of the wealthier areas near Newark and Paterson, and is one of the richest congressional districts in the nation in terms of median income.
 A member of the Republican Party, he also serves as Chair of the House Appropriations Committee since 2017.
Michael Gerard Grimm (born February 7, 1970) is an American businessman, and politician who represented New York in the United States Congress from 2011 to 2015.
 Grimm represented New York's 13th congressional district during his first term, after which he represented New York's 11th congressional district.
 Both districts consisted of Staten Island and parts of Brooklyn.
 Grimm is a member of the Republican Party, and during his time in office was the only Republican to represent a significant portion of New York City.
 He is a former FBI agent, businessman, attorney, and U.S. Marine, having served in the Persian Gulf War.
Edward Leo O'Neill (July 10, 1903, Newark, New Jersey – December 12, 1948) was an American Democratic Party politician who represented New Jersey's 11th congressional district from 1937-1939.
New Jersey's 11th Congressional District is represented by Republican Rodney Frelinghuysen.
 The district is centered in Morris County, with suburban settlements and a high per capita income; it is dominated by Republicans.
 The territory is located in the area of the Watchung and Ramapo Mountains.