Question: In which county did John R. Baldwin die?

full_context: Document 1: Michael J. Obuchowski: Michael J. Obuchowski (born February 4, 1952) is a former member of the Vermont House of Representatives. Elected at age 20 in 1972, he won reelection 19 times, serving continuously from January, 1973 until resigning in January, 2011 to accept appointment as Vermont's Buildings and General Services Commissioner. Obuchowski served as Speaker from 1995 to 2001.
Document 2: John R. Baldwin: John Richard Baldwin (May 10, 1854 – May 1, 1897) was a Massachusetts politician who served in the Massachusetts State Senate and as the 20th Mayor of Lynn, Massachusetts.
Document 3: Peter M. Neal: Peter Morrell Neal (September 21, 1811-April 13, 1908) was a Massachusetts politician who served in both branches of the Massachusetts legislature and was the tenth Mayor of Lynn, Massachusetts.
Document 4: William L. Baird: William Lewis Baird (July 29, 1843 – July 7, 1916) was a Massachusetts politician who served as the 19th Mayor of Lynn, Massachusetts.
Document 5: Michael A. Costello: Michael A. Costello (born May 5, 1965 in Lynn, Massachusetts) is a former State Representative for the Massachusetts House of Representatives, who represented the first district of Essex County, Massachusetts. Costello graduated from Salem State University in 1989 with a Bachelor of Science, and from Suffolk University Law School with his Juris Doctor in 1996. Costello served in the House from 2003 to 2014.
Document 6: Jay Costa: Jay Costa (born November 17, 1957) is a Democratic member of the Pennsylvania State Senate who has represented the 43rd District since 1996. He is a member of the Costa political family in Pittsburgh. On November 17, 2010, Senate Democrats elected Costa as their new floor leader, succeeding the retiring Bob Mellow.
Document 7: Arthur J. Frawley: Arthur J. Frawley (c. 1899 – November 1969) was a Massachusetts politician who served as the 41st and 44th Mayors of Lynn, Massachusetts.
Document 8: Joseph A. Melley: Joseph Aloysius Melley (March 1, 1902 – October 28, 1983) was a Massachusetts attorney and politician who served as the thirty ninth Mayor of Chelsea, Massachusetts, USA, and in both houses of the Massachusetts legislature.
Document 9: Boston: Federally, Boston is split between two congressional districts. The northern three-fourths of the city is in the 7th district, represented by Mike Capuano since 1998. The southern fourth is in the 8th district, represented by Stephen Lynch. Both are Democrats; a Republican has not represented a significant portion of Boston in over a century. The state's senior member of the United States Senate is Democrat Elizabeth Warren, first elected in 2012. The state's junior member of the United States Senate is Democrat Ed Markey, who was elected in 2013 to succeed John Kerry after Kerry's appointment and confirmation as the United States Secretary of State.
Document 10: Cleon Turner: Cleon H. Turner (born December 29, 1945 in Brockton, Massachusetts) is a former state representative in Massachusetts. He represented the First Barnstable District of Brewster from 2005 to 2015. Turner graduated from Silver Lake Regional High School, earned his B.A. from the University of Southern Maine, an A.S. from the University of Maine and his J.D. from Suffolk University Law School. He was elected in 2004 and began his term in 2005. In December 2013, he announced his retirement effective January 6, 2015.
Document 11: John Davis (Massachusetts governor): Born in Northborough, Massachusetts, Davis attended Yale College before studying law in Worcester, Massachusetts, where he established a successful law practice. He spent 10 years (1824–34) in the United States House of Representatives as a National Republican (later Whig), where he supported protectionist tariff legislation. He won election as Governor of Massachusetts in a three-way race in 1833 that was decided by the state legislature. After two terms he was elected to the United States Senate, where he served most of one term, resigning early in 1841 after he was once again elected governor.
Document 12: Michael Berland: Michael Berland attended The Latin School of Chicago and graduated magna cum laude from the University of Massachusetts Amherst, where he was a Commonwealth Scholar. He received his initial training at the Social and Demographic Research Institute.
Document 13: Leverett Saltonstall I: Leverett Saltonstall (June 13, 1783 – May 8, 1845), was a member of the United States House of Representatives from Massachusetts who also served as Speaker of the Massachusetts House of Representatives, President of the Massachusetts Senate, the first Mayor of Salem, Massachusetts and a Member of the Board of Overseers of Harvard College.
Document 14: Jay Livingstone: Jay Livingstone is an American politician who has served in the Massachusetts House of Representatives since July 2013. He is a resident of Back Bay, Boston, a member of the Democratic Party. He won a special election to succeed Martha M. Walz, unopposed in the June 25 general election after winning the May 28 primary. He was sworn in July 17, 2013. He has since won re-election in 2014, 2016, and 2018.
Document 15: Samuel M. Bubier: Samuel Mansfield Bubier (June 28, 1816 – October 5, 1894) was a Massachusetts shoe manufacturer and politician who served as a member of the Board of Aldermen and as the 16th Mayor of Lynn, Massachusetts.
ground_truth: Essex County
sub_queries: John R. Baldwin >> place of death Answer: Lynn
Lynn >> located in the administrative territorial entity Answer: Essex County