Question: What are the middle names of the senator who is running for reelection in the United States Senate election in Michigan, 2018 ?

Context paragraphs:
United States Senate election in Arizona, 1980: The 1980 United States Senate election in Arizona took place on November 4, 1980.  Incumbent Republican U.S. Senator Barry Goldwater decided to run for reelection to a third consecutive term, after returning to the U.S. Senate in 1968 following his failed Presidential run in 1964 against Lyndon B. Johnson.  Goldwater defeated Democratic Party nominee Bill Schulz in the general election, but only by a narrow margin, which later caused Goldwater to decide against running for reelection to a fourth consecutive term.

United States Senate election in Virginia, 2018: The 2018 United States Senate election in Virginia will take place on November 6, 2018, to elect a member of the United States Senate to represent the Commonwealth of Virginia, concurrently with other elections to the United States Senate, elections to the United States House of Representatives, and various state and local elections.  Incumbent Democratic Senator Tim Kaine is running for re-election to a second term.

United States Senate election in Maryland, 2018: The 2018 United States Senate election in Maryland will take place on November 6, 2018, in order to elect a member of the United States Senate to represent the state of Maryland.  Incumbent Ben Cardin is running for reelection to a third term.

United States Senate election in Arizona, 2010: The 2010 United States Senate election in Arizona took place on November 2, 2010, along with other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.  The primaries were held on August 24, 2010.  Incumbent Republican U.S. Senator John McCain, who returned to the Senate after losing the presidency to then-Illinois Senator Barack Obama in the 2008 presidential election, ran for reelection to a fifth term and won.

United States Senate election in Michigan, 2018: The 2018 United States Senate election in Michigan will take place on November 6, 2018, in order to elect a Class 1 member of the United States Senate to represent the state of Michigan.  Incumbent Democratic U.S. Senator Debbie Stabenow is running for re-election to a fourth term.

United States Senate election in Minnesota, 2018: The 2018 United States Senate election in Minnesota will take place on November 6, 2018, in order to elect a member of the United States Senate to represent the state of Minnesota.  Incumbent Amy Klobuchar is running for reelection to a third term.

United States Senate election in Indiana, 2010: The 2010 United States Senate election in Indiana took place on November 2, 2010, alongside 33 other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections to fill Indiana's class III United States Senate seat.  Incumbent Democratic U.S. Senator Evan Bayh decided in February 2010 to retire instead of seeking a third term shortly after former U.S. Senator Dan Coats announced his candidacy for Bayh's contested seat.  No Democratic candidate submitted enough signatures by the deadline to run, leading Democratic officials to choose U.S. Congressman Brad Ellsworth to be the nominee.  The Libertarian Party nominated YMCA instructor Rebecca Sink-Burris, who had previously run against Evan Bayh in the United States Senate election in Indiana, 1998 but with less success than in this election.  Republican nominee and former U.S. Senator Dan Coats won the open seat.

United States Senate election in Washington, 2018: The 2018 United States Senate election in Washington will take place on November 6, 2018, in order to elect a member of the United States Senate to represent the state of Washington.  Incumbent Democrat Maria Cantwell is running for reelection to a fourth term.

United States Senate election in Florida, 2018: The 2018 United States Senate election in Florida will be held on November 6, 2018, alongside a gubernatorial election, U.S. House elections, and other state and local elections.  Incumbent Democratic Senator Bill Nelson is running for reelection to a fourth term.

Debbie Stabenow: Deborah Ann Greer Stabenow (born April 29, 1950) is the senior United States Senator from Michigan and a member of the Democratic Party.  Before her election to the U.S. Senate, she was a member of the United States House of Representatives, representing Michigan's 8th congressional district from 1997 to 2001.  She previously served as a member of the Ingham County Board of Commissioners, Michigan House of Representatives, and Michigan Senate.

Supporting paragraphs: United States Senate election in Michigan, 2018 Debbie Stabenow
Answer: Ann Greer