Question: What county contains the birthplace of Troy Brown?

full_context: Document 1: Harry Agganis: Born in Lynn, Massachusetts to Greek immigrants, Georgios Agganis and Georgia Papalimperis, Agganis first gained notice as a college football player at Boston University, becoming the first person in school history to be named All-American. He passed a professional career with the Cleveland Browns in order to play his favorite sport, baseball, close to his hometown. Agganis was signed to a bonus baby contract, and after one season playing minor league baseball, Agganis became the starter at first base for the Red Sox.
Document 2: 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 3: Andre Brown (basketball): Andre Devon Brown (born May 12, 1981) is an American former professional basketball player. He played college basketball for DePaul University and went on to play professionally in Europe, Asia, South America, Australia, and in the National Basketball Association and the NBA Development League. He is also a former two-year member of the USA Basketball World Youth Games team that won a gold medal 1998 and a bronze medal in 1999.
Document 4: 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 5: Wiley Brown: Wiley Brown , is the current Head Coach of the Indiana University Southeast Grenadiers Men's Basketball program. He is a retired NFL player, who lettered 2 years with the Philadelphia Eagles as a defensive end, before deciding to play professional basketball in the International Federation of Basketball where he traveled throughout the world. Brown spent one year with the CBA Louisville Catbirds and six years in Europe.
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: Troy Barnett: Troy Anthony Barnett (born May 24, 1971 in Jacksonville, North Carolina) is a former American football defensive lineman in the National Football League for the New England Patriots and Washington Redskins. He played college football at the University of North Carolina. Received the nickname "Laptop" from Bill Parcells because of his fondness for technology. Currently Troy manages an amazing group of teammates at Under Armour.
Document 8: Tim Breaux: Born in Baton Rouge, Louisiana, Breaux attended the University of Wyoming and joined the Continental Basketball Association's Sioux Falls Skyforce and also played in Europe, including stints in Spain and France. He signed with the NBA's Houston Rockets in 1994 as an undrafted player. He was traded along with Pete Chilcutt to the Vancouver Grizzlies in 1996 in exchange for some draft picks. He also played briefly with the Milwaukee Bucks.
Document 9: 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 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: 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 12: 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 13: Troy Brown (basketball): Born in Lynn, Massachusetts, Brown played collegiately at Providence where he played small forward. He was selected by the Atlanta Hawks in the 2nd round (45th overall) of the 1995 NBA Draft, though he did not play any games as a Hawk, or in the NBA.
Document 14: 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 15: Eddie Brown (Canadian football): In 1995, he played for the Memphis Mad Dogs. In 1996, after the demise of the Memphis Mad Dogs, he re-signed with the Edmonton Eskimos. In 1999, he played for the BC Lions.
ground_truth: Essex County
sub_queries: Troy Brown >> place of birth Answer: Lynn
Lynn >> located in the administrative territorial entity Answer: Essex County