Question: Which candidate for the Massachusetts gubernatorial election of 2010 ran for president in 2012?

Context paragraphs:
Kerry Healey: Kerry Murphy Healey (born April 30, 1960) is the President of Babson College.  She was the 70th Lieutenant Governor of Massachusetts from 2003 to 2007 with Governor Mitt Romney.  She served as Foreign Policy Coordinator and Special Advisor on the Romney for President Campaign.  Healey also served as the Republican National Committeewoman for the state of Massachusetts, and serves on the boards of numerous charities and political organizations.  She is a member of the Republican Party, and was the Republican candidate in the 2006 Massachusetts gubernatorial election.

Shannon O'Brien: Shannon Patricia Elizabeth O'Brien (born April 30, 1959 in Boston, Massachusetts) is a Democrat from Massachusetts.  O'Brien served in the Massachusetts House of Representatives from 1987 through 1993, in the Massachusetts Senate from 1993 through 1995, and was the Massachusetts State Treasurer from 1999 through 2003.  In that last position she became the first woman to be elected in Massachusetts to statewide office by her own accord.  She was the Democratic Party nominee in the Massachusetts gubernatorial election, 2002, but lost in the general election to Mitt Romney.

Massachusetts gubernatorial election, 1958: The 1958 Massachusetts gubernatorial election was held on November 4, 1958.  Democrat Foster Furcolo was elected Governor of Massachusetts for a second term, defeating Republican Charles Gibbons, Socialist Labor candidate Henning A. Blomen, and Prohibition candidate Guy S. Williams.

Massachusetts gubernatorial election, 2010: The Massachusetts gubernatorial election of 2010 was held on November 2, 2010.  Incumbent Democratic Governor Deval Patrick was re-elected to a second term.  Also competing were the Republican Party nominee, businessman Charlie Baker; independent candidate and State Treasurer Tim Cahill; and Green-Rainbow Party nominee and physician Jill Stein.  Party primaries were held on September 14, though all four candidates ran unopposed in their respective primaries.  Tim Murray, who ran on a ticket with Patrick, was re-elected Lieutenant Governor.

Paul Loscocco: Paul J.P. Loscocco (born March 7, 1962 in Framingham, Massachusetts) is a former Massachusetts Republican State Representative and candidate for Lieutenant Governor in the 2010 Massachusetts gubernatorial election.

Massachusetts gubernatorial election, 1956: The 1956 Massachusetts gubernatorial election was held on November 6, 1956.  Democrat Foster Furcolo was elected Governor of Massachusetts to replace incumbent Christian Herter, who did not run for re-election.  Furcolo defeated Republican Sumner G. Whittier, Socialist Labor candidate Henning A. Blomen, and Prohibition candidate Mark R. Shaw.

Massachusetts gubernatorial election, 1952: The 1952 Massachusetts gubernatorial election was held on November 4, 1952.  Republican Christian Herter defeated Democratic incumbent Paul A. Dever, Socialist Labor candidate Lawrence Gilfedder, Peace Progressive candidate Florence H. Luscomb, and Prohibition candidate Guy S. Williams.

Jill Stein: Jill Ellen Stein (born May 14, 1950) is an American physician, activist, and politician.  She was the Green Party's nominee for President of the United States in the 2012 and 2016 elections.  She was an unsuccessful candidate for governor of Massachusetts in 2002 and 2010.

Massachusetts gubernatorial election, 1944: The 1944 Massachusetts gubernatorial election was held on November 7, 1944.  Democrat Maurice J. Tobin defeated Republican Horace T. Cahill, Socialist Labor candidate Henning A. Blomen, and Prohibition candidate Guy S. Williams.  Incumbent Governor Leverett Saltonstall did not run for reelection.  In the race for Lieutenant Governor, Republican Robert F. Bradford defeated Democrat John B. Carr, Socialist Labor candidate George L. McGlynn, and Prohibition candidate Alfred Erickson.

Kogi gubernatorial election, 2015: The 2015 Kogi Gubernatorial election was held on 21 November 2015 to determine the Governor for KOgi State. The gubernatorial election is to elect the governor of Kogi state; the official at the head of theexecutive branch of a state.  The last Kogi state gubernatorial election was held in 2011.  The incumbent Governor, Captain Idris Wada, ran for re-election against the former Governor, Prince Audu, the candidate of the All Progressives Congress.

Supporting paragraphs: Jill Stein Massachusetts gubernatorial election, 2010
Answer: Jill Stein