Question: Which is the body of water by the city with the headquarters of Liverpool F.C.'s owner?

full_context: Document 1: Boston: Boston is surrounded by the "Greater Boston" region and is contiguously bordered by the cities and towns of Winthrop, Revere, Chelsea, Everett, Somerville, Cambridge, Watertown, Newton, Brookline, Needham, Dedham, Canton, Milton, and Quincy. The Charles River separates Boston from Watertown and the majority of Cambridge, and the mass of Boston from its own Charlestown neighborhood. To the east lie Boston Harbor and the Boston Harbor Islands National Recreation Area (which includes part of the city's territory, specifically Calf Island, Gallops Island, Great Brewster Island, Green Island, Little Brewster Island, Little Calf Island, Long Island, Lovells Island, Middle Brewster Island, Nixes Mate, Outer Brewster Island, Rainsford Island, Shag Rocks, Spectacle Island, The Graves, and Thompson Island). The Neponset River forms the boundary between Boston's southern neighborhoods and the city of Quincy and the town of Milton. The Mystic River separates Charlestown from Chelsea and Everett, and Chelsea Creek and Boston Harbor separate East Boston from Downtown, the North End, and the Seaport.
Document 2: Fenway Sports Management: Fenway Sports Management (FSM) is a company headquartered in Boston, Massachusetts established by Fenway Sports Group (FSG) in 2004. It styles itself as a "new kind of sports marketing agency," created by FSG to expand its footprint beyond its most famous holdings, the Boston Red Sox of Major League Baseball and Fenway Park. Fenway Sports Management specializes in sponsorship sales and brand management consulting, and serves as the global sports sponsorship sales arm of Fenway Sports Group.
Document 3: Boston: Boston Common, located near the Financial District and Beacon Hill, is the oldest public park in the United States. Along with the adjacent Boston Public Garden, it is part of the Emerald Necklace, a string of parks designed by Frederick Law Olmsted to encircle the city. The Emerald Necklace includes Jamaica Pond, Boston's largest body of freshwater, and Franklin Park, the city's largest park and home of the Franklin Park Zoo. Another major park is the Esplanade, located along the banks of the Charles River. The Hatch Shell, an outdoor concert venue, is located adjacent to the Charles River Esplanade. Other parks are scattered throughout the city, with the major parks and beaches located near Castle Island; in Charlestown; and along the Dorchester, South Boston, and East Boston shorelines.
Document 4: Fenway Sports Group: FSG was founded in 2001 as New England Sports Ventures (NESV) when John W. Henry joined forces with Tom Werner, Les Otten, The New York Times Company, and other investors to successfully bid for the Red Sox. NESV formally announced its name change to Fenway Sports Group in March 2011.
Document 5: Boston: While they have played in suburban Foxborough since 1971, the New England Patriots of the National Football League were founded in 1960 as the Boston Patriots, changing their name after relocating. The team won the Super Bowl after the 2001, 2003, 2004, and 2014 seasons. They share Gillette Stadium with the New England Revolution of Major League Soccer. The Boston Breakers of Women's Professional Soccer, which formed in 2009, play their home games at Dilboy Stadium in Somerville.
Document 6: New England Patriots: The New England Patriots are a professional American football team based in the Greater Boston region. The Patriots compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) East division. The team plays its home games at Gillette Stadium in the town of Foxborough, Massachusetts, which is located 21 miles (34 km) southwest of downtown Boston, Massachusetts and 20 miles (32 km) northeast of downtown Providence, Rhode Island. The Patriots are also headquartered at Gillette Stadium.
Document 7: Boston: Boston has an area of 89.6 square miles (232.1 km2)—48.4 square miles (125.4 km2) (54.0%) of land and 41.2 square miles (106.7 km2) (46.0%) of water. The city's official elevation, as measured at Logan International Airport, is 19 ft (5.8 m) above sea level. The highest point in Boston is Bellevue Hill at 330 feet (100 m) above sea level, and the lowest point is at sea level. Situated onshore of the Atlantic Ocean, Boston is the only state capital in the contiguous United States with an oceanic coastline.
Document 8: Boston: Boston has teams in the four major North American professional sports leagues plus Major League Soccer, and has won 36 championships in these leagues, As of 2014[update]. It is one of six cities (along with Chicago, Detroit, Los Angeles, New York and Philadelphia) to have won championships in all four major sports. It has been suggested that Boston is the new "TitleTown, USA", as the city's professional sports teams have won nine championships since 2001: Patriots (2001, 2003, 2004, and 2014), Red Sox (2004, 2007, and 2013), Celtics (2008), and Bruins (2011). This love of sports has made Boston the United States Olympic Committee's choice to bid to hold the 2024 Summer Olympic Games, but the city cited financial concerns when it withdrew its bid on July 27, 2015.
Document 9: Boston: The Boston Red Sox, a founding member of the American League of Major League Baseball in 1901, play their home games at Fenway Park, near Kenmore Square in the city's Fenway section. Built in 1912, it is the oldest sports arena or stadium in active use in the United States among the four major professional American sports leagues, encompassing Major League Baseball, the National Football League, National Basketball Association, and the National Hockey League. Boston was the site of the first game of the first modern World Series, in 1903. The series was played between the AL Champion Boston Americans and the NL champion Pittsburgh Pirates. Persistent reports that the team was known in 1903 as the "Boston Pilgrims" appear to be unfounded. Boston's first professional baseball team was the Red Stockings, one of the charter members of the National Association in 1871, and of the National League in 1876. The team played under that name until 1883, under the name Beaneaters until 1911, and under the name Braves from 1912 until they moved to Milwaukee after the 1952 season. Since 1966 they have played in Atlanta as the Atlanta Braves.
Document 10: Boston Red Sox: Boston Red Sox 2018 Boston Red Sox season Established in 1901 Based in Boston since 1901 Team logo Cap insignia Major league affiliations American League (1901 -- present) East Division (1969 -- present) Current uniform Retired numbers 6 8 9 14 26 27 34 45 42 Colors Red, midnight navy blue, white Name Boston Red Sox (1908 -- present) Boston Americans (1901 -- 1907) Other nicknames The Sox The BoSox The Olde Towne Team Ballpark Fenway Park (1912 -- present) Huntington Avenue Grounds (1901 -- 1911) Major league titles World Series titles (8) 1903 1912 1915 1916 1918 2007 2013 AL Pennants (13) 1903 1904 1912 1915 1916 1918 1946 1967 1986 2007 2013 East Division titles (9) 1986 1988 1990 1995 2007 2013 2016 2017 Wild card berths (7) 1998 1999 2003 2005 2008 2009 Front office Owner (s) Fenway Sports Group (John Henry (Principal Owner), Tom Werner (Chairman), Sam Kennedy (President and CEO)) Manager Alex Cora General Manager Dave Dombrowski (acting) President of Baseball Operations Dave Dombrowski
Document 11: Boston Red Sox: Boston Red Sox 2017 Boston Red Sox season Established in 1901 Based in Boston since 1901 Team logo Cap insignia Major league affiliations American League (1901 -- present) East Division (1969 -- present) Current uniform Retired numbers 6 8 9 14 26 27 34 45 42 Colors Red, Blue, White Name Boston Red Sox (1908 -- present) Boston Americans (1901 -- 1907) Other nicknames The Sox The BoSox The Olde Towne Team Ballpark Fenway Park (1912 -- present) Huntington Avenue Grounds (1901 -- 1911) Major league titles World Series titles (8) 1903 1912 1915 1916 1918 2007 2013 AL Pennants (13) 1903 1904 1912 1915 1916 1918 1946 1967 1986 2007 2013 East Division titles (9) 1986 1988 1990 1995 2007 2013 2016 2017 Wild card berths (7) 1998 1999 2003 2005 2008 2009 Front office Owner (s) Fenway Sports Group (John Henry (Principal Owner), Tom Werner (Chairman), Sam Kennedy (President and CEO)) Manager Alex Cora General Manager Dave Dombrowski (acting) President of Baseball Operations Dave Dombrowski
Document 12: Boston Red Sox: Boston Red Sox 2018 Boston Red Sox season Established in 1901 Based in Boston since 1901 Team logo Cap insignia Major league affiliations American League (1901 -- present) East Division (1969 -- present) Current uniform Retired numbers 6 8 9 14 26 27 34 45 42 Colors Red, Blue, White Name Boston Red Sox (1908 -- present) Boston Americans (1901 -- 1907) Other nicknames The Sox The BoSox The Olde Towne Team Ballpark Fenway Park (1912 -- present) Huntington Avenue Grounds (1901 -- 1911) Major league titles World Series titles (8) 1903 1912 1915 1916 1918 2007 2013 AL Pennants (13) 1903 1904 1912 1915 1916 1918 1946 1967 1986 2007 2013 East Division titles (9) 1986 1988 1990 1995 2007 2013 2016 2017 Wild card berths (7) 1998 1999 2003 2005 2008 2009 Front office Owner (s) Fenway Sports Group (John Henry (Principal Owner), Tom Werner (Chairman), Sam Kennedy (President and CEO)) Manager Alex Cora General Manager Dave Dombrowski (acting) President of Baseball Operations Dave Dombrowski
Document 13: Charles River Reservation Parkways: The Charles River Reservation Parkways are parkways that run along either side of the Charles River in eastern Massachusetts. The roads are contained within the Charles River Reservation and the Upper Charles River Reservation, and fall within a number of communities in the greater Boston metropolitan area. The Charles River parks extend from the Charles River Dam, where the Charles empties into Boston Harbor, to Riverdale Park in the West Roxbury neighborhood of Boston. Most of the roadways within the parks are listed on the National Register of Historic Places as a unit, although Storrow Drive and Memorial Drive are listed as part of the Charles River Basin Historic District.
Document 14: Boston: Boston is surrounded by the "Greater Boston" region and is contiguously bordered by the cities and towns of Winthrop, Revere, Chelsea, Everett, Somerville, Cambridge, Newton, Brookline, Needham, Dedham, Canton, Milton, and Quincy. The Charles River separates Boston from Watertown and the majority of Cambridge, and the mass of Boston from its own Charlestown neighborhood. To the east lie Boston Harbor and the Boston Harbor Islands National Recreation Area (which includes part of the city's territory, specifically Calf Island, Gallops Island, Great Brewster Island, Green Island, Little Brewster Island, Little Calf Island, Long Island, Lovells Island, Middle Brewster Island, Nixes Mate, Outer Brewster Island, Rainsford Island, Shag Rocks, Spectacle Island, The Graves, and Thompson Island). The Neponset River forms the boundary between Boston's southern neighborhoods and the city of Quincy and the town of Milton. The Mystic River separates Charlestown from Chelsea and Everett, and Chelsea Creek and Boston Harbor separate East Boston from Boston proper.
Document 15: Boston Red Sox: The Boston Red Sox are an American professional baseball team based in Boston, Massachusetts. The Red Sox compete in Major League Baseball (MLB) as a member club of the American League (AL) East division. The Red Sox have won eight World Series championships and have played in twelve. In addition, they won the 1904 American League pennant, but were not able to defend their 1903 world championship when the New York Giants refused to participate in a World Series. Founded in 1901 as one of the American League's eight charter franchises, the Red Sox 'home ballpark has been Fenway Park since 1912. The ``Red Sox ''name was chosen by the team owner, John I. Taylor, around 1908, following the lead of previous teams that had been known as the`` Boston Red Stockings'', including the forerunner of the Atlanta Braves.
ground_truth: Mystic River
sub_queries: Liverpool F.C. >> owned by Answer: Fenway Sports Group
Fenway Sports Group >> headquarters location Answer: Boston
Which is the body of water by Boston ? Answer: Mystic River