Barry R. Finegold (March 3, 1971 in Norwood, Massachusetts) was a Democratic member of the Massachusetts Senate representing the Second Essex and Middlesex district.
 He served from January 2011 to January 2015.
 He is a former state representative of the 17th Essex district in Massachusetts; he was also a candidate running for the United States Congress in the Massachusetts's 5th congressional district special election of 2007.
 In January 2014, he announced that he would be a candidate for the Democratic nomination for Treasurer and Receiver-General of the Commonwealth of Massachusetts.
 On September 9, 2014, Finegold lost in the Democratic primary to Deb Goldberg, who was elected Treasurer in November 2014.
Jason M. Lewis (born April 19, 1968) is an American state legislator elected in April 2014 to the Massachusetts Senate.
 He is a Winchester resident and a member of the Democratic Party who will be sworn in to represent the 5th Middlesex Senate district.
 From January 2009 to April 2014 he represented the 31st Middlesex district in the Massachusetts House of Representatives.
Colleen M. Garry (born July 21, 1962 in Lowell, Massachusetts) is an American politician who represents the 36th Middlesex District in the Massachusetts House of Representatives.
 She was an aide to State Representative John Cox, who represented Dracut and part of Lowell.
 In 1994 she was elected to represent a new district consisting of Dracut, Tyngsborough, and Dunstable.
 Dunstable has since been transferred to a neighboring district so the current district consists only of Dracut and Tyngsborough.
 She is a moderate to conservative member of the House Democratic Caucus.
 In 2015, Representative Garry came under fire for comments criticizing an act of civil disobedience which obstructed a major Massachusetts highway.
 Representative Garry accused protestors affiliated with the Black Lives Matter movement of being "terrorists" and claimed that "structural racism is a fraud."
Gary Charles Peters (born December 1, 1958) is an American politician and businessman who is the junior United States Senator from Michigan.
 A member of the Democratic Party, he was the U.S. Representative for Michigan 's 14 congressional district from 2013 until his election to the Senate.
 The district includes the eastern half of Detroit, as well as the Grosse Pointes, Hamtramck, Southfield and Pontiac.
 He previously represented Michigan 's 9 congressional district from 2009 to 2013.
 Following the redrawing of congressional district boundaries after the 2010 United States Census, Peters defeated fellow Congressman Hansen Clarke in the Democratic primary and won re-election in the newly redrawn 14th District.
Nicola Dickson "Niki" Sauvage Tsongas ( ; born April 26, 1946) is an American politician and the current U.S. Representative for Massachusetts 's 3 congressional district .
 From 2007 to 2013 she represented Massachusetts 's 5 congressional district , the district her husband Paul Tsongas served prior to being elected to the United States Senate.
 She is a member of the Democratic Party.
 Following John Kerry's appointment as Secretary of State, she was widely expected to run in the 2013 special election for the Senate seat once held by her husband; she put such speculations to rest when she announced her endorsement of Representative Ed Markey instead.
Eileen Donoghue (born 1954 in Holyoke, Massachusetts) is a Democratic member of the Massachusetts Senate, where she has represented the First Middlesex District since 2011.
 Donoghue is an attorney and a former city councilor (1996–2008) and mayor (1998–2002) of Lowell, Massachusetts.
 She ran in the Massachusetts' 5th Congressional District special election in 2007 to fill the United States House of Representatives seat vacated by Marty Meehan, narrowly losing the Democratic primary to Niki Tsongas.
 In the Massachusetts Senate, Donoghue has been a staunch advocate for small businesses, economic development in gateway cities, and public higher education.
 She has spearheaded efforts to reduce student loan debt and create pathways to stable jobs.
Mike Connolly is a Cambridge activist, attorney, and politician.
 He defeated Representative Timothy J. Toomey Jr. in September 2016 in the Democratic primary for the 26th Middlesex District, which comprises East Cambridge and East Somerville.
 Connolly was active with Occupy Boston and ran unsuccessfully against Toomey in 2012.
 In 2016, he was backed by Our Revolution, a Bernie Sanders-based political organization, and was endorsed by the prominent Cambridge academics Noam Chomsky and Lawrence Lessig.
 Connolly won over Toomey by ~300 votes and was elected to represent the 26th Middlesex District after Toomey's term ends; Connolly did not run against a Republican in the November 2016 election for the Massachusetts House of Representatives.
 Connolly has opposed the November 2016 "ballot question that would lift the charter school cap" and supports the legalization of recreational marijuana.
 Connolly is 6'8", played college football at Duke University, and graduated from Boston College Law School.
 He is married to wife Kacy Karlen.
Katherine Marlea Clark (born July 17, 1963) is an American politician who has served as the United States Representative for Massachusetts's 5th congressional district since 2013.
 The district includes many of the northern and western suburbs of Boston, such as Medford, Framingham, Woburn and Clark's hometown of Melrose.
 She is a member of the Democratic Party.
 She was a member of the Massachusetts House of Representatives from 2008 to 2011, and a member of the Massachusetts Senate from 2011 to 2013.
David E. Boswell is a former Democratic member of the Kentucky Senate, having represented the 8th District from 1990 to 2011.
 Earlier he was a member of the Kentucky House of Representatives from 1978 through 1983.
 In 1983, he defeated Republican Richard Turner to be elected Agriculture Commissioner of Kentucky with 64%.
 In 1987, he was a candidate for Lieutenant Governor unsuccessfully in the Democratic Primary on a ticket paired with Grady Stumbo.
 The Stumbo-Boswell ticket came in fourth.
 He returned the political arena and was the 2008 Democratic nominee for U.S. Representative for Kentucky's 2nd Congressional District, and lost to Republican nominee Brett Guthrie.
 The congressional seat became open because of the retirement of Republican Ron Lewis.
Samuel Rotondi (born April 22, 1946 in Stoneham, Massachusetts) is an American attorney and politician who represented the Fourth Middlesex District in the Massachusetts Senate from 1977 to 1983.
 He was an unsuccessful candidate for Lieutenant Governor of Massachusetts in 1982 and the United States House of Representatives (7th congressional district) in 1984.

Question: Eileen Donoghue, is a Democratic member of the Massachusetts Senate, where she has represented the First Middlesex District since 2011, narrowly losing the Democratic primary to Niki Tsongas, an American politician and the current U.S. Representative for Massachusetts 's which numbered congressional district?
Answer: 3