Question: Who vacated the seat for which a Republican nominee ran who was suspended from his court position in 2016?

Context paragraphs:
Illinois Comptroller special election, 2016: A special election for Illinois Comptroller took place on November 8, 2016.  After comptroller Judy Baar Topinka died shortly after her reelection in 2014, Republican Governor Bruce Rauner appointed Leslie Munger, a former business executive and unsuccessful 2014 nominee for the Illinois House of Representatives, to fill her seat at the beginning of his term in 2015.  Per Illinois state law, a special election was held to elect a comptroller to finish Topinka's term.  Munger ran as the Republican nominee against Democratic Chicago City Clerk Susana Mendoza.  State Senator Daniel Biss ran for the Democratic nomination, but dropped out in November 2015.

John MacGovern: John F. MacGovern (born July 14, 1951) is an American politician who represented the 2nd Middlesex District in the Massachusetts House of Representatives from 1983-91.  He was the Republican nominee in the Massachusetts's 5th congressional district election in 1990, losing to incumbent Chester G. Atkins 52% to 48%.  He later moved to Vermont.  He was an unsuccessful candidate for the Vermont Senate in 2004 and 2006.  He unsuccessfully ran as the Republican nominee for the United States Senate seat held by Bernie Sanders in the 2012 election.

Sharron Angle: Sharron Elaine Angle (born Sharron Elaine Ott; July 26, 1949) is an American politician who served as a Republican member of the Nevada Assembly from 1999 to 2007.  She ran unsuccessfully as the 2010 Republican nominee for the U.S. Senate seat in Nevada, garnering 45 percent of the vote.  On September 15, 2013 she was unanimously elected the fifth President of the National Federation of Republican Assemblies, and resigned in 2016 to run again for the Nevada U.S. Senator position being vacated by Harry Reid but failed to win the Republican primary.

Roy Moore: Roy Stewart Moore (born February 11, 1947) is an American lawyer, politician, and former judge.  He also is the founder and president of the Foundation for Moral Law.  Moore is the Republican nominee in the 2017 special election to fill the United States Senate seat vacated by Jeff Sessions upon Sessions's confirmation as Attorney General of the United States.

Campbell Cavasso: Campbell "Cam" Cavasso (born October 14, 1950), is an American politician, businessman and member of the Republican Party.  He served three consecutive terms in the Hawaii House of Representatives from January 1985 to January 1991, representing House District 51 in Windward Oahu.  He ran unsuccessfully for the Republican nomination for Lieutenant Governor of Hawaii in 2002 and was the Republican nominee for the U.S. Senate in 2004 and 2010, losing on both occasions to Democratic incumbent Daniel Inouye.  He was also the Republican nominee for the same seat in a 2014 special election, losing to Democrat Brian Schatz, who was appointed to the seat in 2012 after Inouye died.

Wendy Long: Wendy Elizabeth Long (née Stone; born June 21, 1960) is an American attorney.  She, as the Republican nominee, ran unsuccessfully in the United States Senate election in New York, 2016, losing to Senator Chuck Schumer.  She had previously, as the Republican nominee, run unsuccessfully in the United States Senate election in New York, 2012, losing to Senator Kirsten Gillibrand.

Daigaku-no-kami: Daigaku-no kami (大学頭 ) was a Japanese Imperial court position and the title of the chief education expert in the rigid court hierarchy.  The Imperial "Daigaku-no kami" predates the Heian period; and the court position continued up through the early Meiji period.  The title and position were conferred in the name of the Emperor of Japan.

Charlie Summers: Charles E. "Charlie" Summers, Jr. (born December 26, 1959) is an American politician, businessman, Iraq War veteran and member of the Republican Party from the state of Maine.  A member of the Maine Senate from 1991 to 1995, Summers ran for the Republican nomination for Maine's 1st congressional district in 1994, coming second in the primary.  He was the nominee for the same seat in 2004 and 2008, losing on each occasion to the Democratic candidate.  From 2011 to 2013 served as the Secretary of State of Maine.  He was the Republican nominee for the U.S Senate to succeed the retiring Republican Olympia Snowe in the 2012 election, but lost to former Independent Governor Angus King.

Lyn Stuart: Lyn Stuart (born c. 1955) is an American jurist.  She was appointed acting Chief Justice of the Supreme Court of Alabama one May 6, 2016, when her predecessor, Roy Moore, was suspended.  In September 2016, Moore's suspension was made permanent, and he resigned in April 2017.

Duane Sand: Duane Sand (born May 8, 1965) is a North Dakota politician, a graduate of the United States Naval Academy, and was a U.S. Navy officer during the Iraq War.  Sand ran for the United States Senate in North Dakota on the Republican ticket in 2000 against incumbent Kent Conrad of the Democratic-Nonpartisan League, and was called for duty after the election in 2001.  Upon returning, he ran for North Dakota's lone House seat in 2004 and 2008, but failed both times to defeat incumbent Earl Pomeroy.  In August 2011, Sand announced his bid to become the 2012 Republican nominee for the same Senate seat he ran for 11 years prior.  He lost the Republican nomination to Representative Rick Berg.  Sand previously served as the North and South Dakota Director for Americans for Prosperity, a conservative political advocacy group.

Supporting paragraphs: Lyn Stuart Roy Moore
Answer: Jeff Sessions