Question: Which Minnesota Republican politician defeated Gerry Sikorski in 1992?

Context articles: Lawrence H. Johnson
Richard W. Stanek
Rod Grams
William O'Brien (Minnesota)
Leverett W. Babcock
H.H. Flowers
Gerry Sikorski
Howard H. Dunn
Arthur N. Dare
John A. Hartle

Lawrence Henry Johnson (1861 in Germany – 1947) was a Minnesota Republican politician and a Speaker of the Minnesota House of Representatives.
 Johnson, a bridge contractor and engineer, came to Minnesota in 1884, and was elected to the Minnesota House of Representatives in 1900.
 He served five terms, serving as speaker from 1907 to 1909.
 Johnson died in 1947.
Richard W. "Rich" Stanek (born February 2, 1962) is a Minnesota Republican politician.
 He became the 27th Hennepin County Sheriff on January 1, 2007.
 Stanek served from 1986 to 2006 as a police officer in Minneapolis, served from 1995 to 2003 in the Minnesota House of Representatives, and served from 2003 to 2004 as Commissioner of the Minnesota Department of Public Safety under Minnesota Governor Tim Pawlenty.
Rodney Dwight "Rod" Grams (February 4, 1948 – October 8, 2013) was a politician from Minnesota.
 He served as a Republican in both the United States House of Representatives and the U.S. Senate.
William J. "Bill" O'Brien (February 19, 1930 in Jacksonville, Florida – June 25, 2007) was a Minnesota Republican politician, who served as Minnesota State Auditor and a member of the Minnesota House of Representatives.
 O'Brien also unsuccessfully sought the office of Minnesota Secretary of State.
Leverett W. Babcock (1840–1906) was a Minnesota Republican politician and a Speaker of the Minnesota House of Representatives.
 Babcock, a physician, came to Minnesota in 1879.
 He served as village council president for Wadena, Minnesota for seven years, and was elected to the Minnesota House of Representatives in 1898.
 He served three terms, his last as speaker.
 Babcock died in 1906.
Harvey Howard Flowers (September 11, 1865 – May 8, 1945) was a Minnesota Republican politician and a Speaker of the Minnesota House of Representatives.
 Flowers served as postmaster for Cleveland, Minnesota and president of the Cleveland State Bank.
 He was elected to the Minnesota House of Representatives in 1912.
 He became speaker in 1915, a position he held two years.
Gerald Edward Sikorski (born April 26, 1948) is a Minnesota politician and lawyer.
 He was the U.S. Representative for Minnesota's 6th congressional district as a DFL member from January 3, 1983, to January 3, 1993, in the 98th, 99th, 100th, 101st, and 102nd Congresses, serving as Whip-at-Large and as a member of the Committees on Energy and Commerce and Post Office and Civil Service.
 Sikorski was defeated by Rod Grams in 1992 after he was revealed to have had 697 overdrafts on the House Bank, which he attributed to his and his wife's sloppy bookkeeping.
Howard H. Dunn (1867 in Minnesota – 1942) was a Minnesota Republican politician and a Speaker of the Minnesota House of Representatives.
 Dunn served as city attorney for Fairmont, Minnesota, and was elected to the Minnesota Senate in 1896.
 He served only one term in the Senate, but was elected to the Minnesota House of Representatives in 1910, where he was immediately selected to serve as speaker, a position he held until 1913.
 Dunn died in 1942.
Arthur N. Dare (May 25, 1850 in Onondaga County, New York – September 4, 1923) was a Minnesota Republican politician and Speaker of the Minnesota House of Representatives.
 The publisher of the "Star News" in Elk River, Minnesota, Dare was first elected to the Minnesota House of Representatives in 1894.
 Dare served three terms, becoming speaker in 1899.
John A. Hartle (August 6, 1891 – April 5, 1979) was a Minnesota Republican politician and a Speaker of the Minnesota House of Representatives.
 Born on a farm, he became a livestock farmer himself.
 He was elected to the Minnesota House of Representatives in 1934.
 As a Republican, he caucused with the Conservative Caucus in the then-nonpartisan body.