Question: Minnesota's 4th congressional district covers nearly all of Ramsey County, including all of St. Paul and most of its suburbs, and is currently represented by which U.S. Representative for Minnesota 's 4 congressional district , serving since 2001?

Context articles: Darrell Issa
Frank Lucas (Oklahoma politician)
Betty McCollum
Rick Nolan
Minnesota's 4th congressional district
Jim Cooper
Frederick R. Lehlbach
Robert Aderholt
Wisconsin's 4th congressional district
Andrew Kiefer

Darrell Edward Issa ( ; born November 1, 1953) is the Republican U.S. Representative for California's 49th congressional district, serving since 2001.
 The district (numbered the 48th District during his first term) covers the northern coastal areas of San Diego County, including cities such as Oceanside, Vista, Carlsbad and Encinitas, as well as a small portion of southern Orange County.
 From January 2011 to January 2015 he served as Chairman of the House Oversight and Government Reform Committee.
Frank Dean Lucas (born January 6, 1960) is an American politician.
 Lucas is the U.S. Representative for Oklahoma 's 3 congressional district , serving since 2003, having previously represented the 6th district, from 1994 to 2003.
 He is a member of the Republican Party and chairs the House Committee on Agriculture.
 His district, numbered as the 6th district from 1994 to 2003, is the largest congressional district in the state and one of the largest in the nation that does not cover an entire state.
 It covers 34,088.49 square miles and stretches from the Panhandle to the fringes of the Tulsa suburbs—almost half of the state's land mass.
Betty Louise McCollum (born July 12, 1954) is the U.S. Representative for Minnesota 's 4 congressional district , serving since 2001.
 She is a member of the Democratic-Farmer-Labor Party (DFL).
 McCollum's district centers on St. Paul, Minnesota's capital city.
 She is the second woman elected to Congress from Minnesota.
Richard Michael Nolan (born December 17, 1943) is an American politician and member of the Minnesota Democratic–Farmer–Labor Party who has been the U.S. Representative for Minnesota's 8th congressional district since 2013 and previously served as the U.S. Representative for Minnesota's 6th congressional district from 1975 to 1981.
Minnesota's 4th congressional district covers nearly all of Ramsey County, including all of St. Paul and most of its suburbs.
 The district is solidly Democratic with a CPVI of D + 14.
 It is currently represented by Betty McCollum, of the Minnesota Democratic-Farmer-Labor Party (DFL).
 The DFL has held the seat without interruption since 1949, and all but one term (1947-9) since the merger of the Democratic and Farmer-Labor Parties.
James Hayes Shofner Cooper (born June 19, 1954) is the U.S. Representative for Tennessee 's 5 congressional district (based in Nashville), serving since 2003.
 He is a member of the Democratic Party and the Blue Dog Coalition.
 He previously represented Tennessee 's 4 congressional district from 1983 to 1995.
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.
Robert Brown Aderholt (born July 22, 1965) is the U.S. Representative for  's 4 congressional district , serving since 1997.
 He is a member of the Republican Party.
 The district includes most of Tuscaloosa County north of the Black Warrior River, as well as the far northern suburbs of Birmingham in Walker County and the southern suburbs of Huntsville and Decatur.
Wisconsin's 4th congressional district is a congressional district of the United States House of Representatives in Wisconsin, encompassing a part of Milwaukee County and including all of the city of Milwaukee and its working-class suburbs of Cudahy, St. Francis, South Milwaukee, and West Milwaukee.
 Recent redistricting has added the Milwaukee County North Shore communities of Glendale, Shorewood, Whitefish Bay, Fox Point, Bayside, and Brown Deer to the district.
 It is currently represented by Gwen Moore, a Democrat.
Andrew Robert Kiefer (May 25, 1832 – May 1, 1904) was a U.S. Representative from Minnesota; born at Marienborn, Duchy of Hesse-Darmstadt, Germany; he attended school in Mainz; immigrated to the United States in 1849 and settled in St. Paul, Minnesota, in 1855; inspector and collector of the wharf in 1857; engaged in mercantile pursuits; enrolling clerk of the Minnesota House of Representatives in 1859 and 1860; entered the Union Army as captain of the Second Regiment, Minnesota Volunteer Infantry, on July 8, 1861, and served until July 18, 1863, when he was compelled to resign on account of ill health; commissioned by Governor Swift colonel of the Thirty-first Regiment of State militia in 1863; member of the Minnesota House of Representatives in 1864; was engaged in the wholesale mercantile business 1865 – 1878 and in 1880 became interested in real estate; clerk of the district courts of Ramsey County 1878 – 1883; unsuccessful Republican candidate for mayor of St. Paul in 1890; elected as a Republican to the 53rd and 54th congresses, (March 4, 1893 – March 3, 1897); was not a candidate for reelection in 1896; mayor of St. Paul in 1898; at the time of his death was the Republican candidate for city controller; died in St. Paul, Ramsey County, Minnesota; interment in Oakland Cemetery.