Question: The Albany Metro Mallers football team plays its home games at a stadium that was once a reservoir for what?

full_context: Document 1: Hillsboro Stadium: Hillsboro Stadium in Hillsboro, Oregon, United States is a multi-sport stadium owned by the city of Hillsboro. Opened in 1999, the award winning stadium is part of the Gordon Faber Recreation Complex located in the northeast part of the city adjacent to the Sunset Highway. The facility hosts home football games for Century High School and state playoff games for the Oregon School Activities Association's smaller school divisions. Hillsboro Stadium is also used for baseball, softball, soccer, and lacrosse and has hosted college and professional teams. It is adjacent to the 2013-opened Hillsboro Ballpark.
Document 2: New England Football League: The New England Football League (NEFL) is a semi-professional American football league based out of Salisbury, Massachusetts and owned by Thomas Torrisi. It is the largest semi-professional league in the region. The NEFL was founded in 1994 and was also known as the Greater Lawrence Men's Football League. It currently consists of 40 teams with about 2,000 players playing in three different classifications (A, AA, AAA) with at least two teams based in each of the six New England states. The league provides competitve football for adult players. It is a "working man's league" as most players have regular jobs during the week. Teams practice on weeknights and play on the weekends, most games on weekends. Players don't get paid for their participation, but they often pay $200 to be on the team's roster. The league runs from spring until October. Each team can dress up to 55 players.
Document 3: Yankee Stadium (1923): Yankee Stadium was a stadium located in the Bronx, a borough of New York City. It was the home ballpark of the New York Yankees, one of the city's Major League Baseball (MLB) franchises, from 1923 to 1973 and then from 1976 to 2008. The stadium hosted 6,581 Yankees regular season home games during its 85-year history. It was also the former home of the New York Giants football team from 1956 through the first part of the 1973–74 football season. The stadium's nickname, "The House That Ruth Built", is derived from Babe Ruth, the baseball superstar whose prime years coincided with the stadium's opening and the beginning of the Yankees' winning history. It has also been known as "The Big Ballpark in The Bronx", "The Stadium", and "The Cathedral of Baseball".
Document 4: Glens Falls Greenjackets: The Glens Falls Greenjackets are a semi-professional American football team in Glens Falls, NY. The Greenjackets compete in the Empire Football League. They were founded in 1928 as the Hudson Falls Greenjackets, making them the second oldest semi-pro team in the United States. The oldest American semi-pro team, Watertown Red & Black (1896), also competes in the EFL. Home games are played at East Field in Glens Falls, NY. Preseason games are played at East Field and Putt LaMay Memorial Field (Glens Falls High School).
Document 5: Richmond County Bank Ballpark: The Richmond County Bank Ballpark at St. George (RCB Ballpark) is a baseball stadium located on the north-eastern tip of Staten Island. The ballpark is the home of the Staten Island Yankees, the NY-Penn League affiliate of the New York Yankees, and of Wagner College Seahawks Baseball. The ballpark was also home of the city's Pro Cricket team the New York Storm in 2004. In addition, local high schools have the chance to play at least one game at the Richmond County Bank Ballpark. The Ballpark at St. George is more commonly referred to as Staten Island Yankees Stadium instead of its proper name, whose naming rights were given to Richmond County Savings Bank.
Document 6: Buffalo Bills: The Buffalo Bills are a professional American football team based in the Buffalo–Niagara Falls metropolitan area. The Bills compete in the National Football League (NFL), as a member club of the league's American Football Conference (AFC) East division. The team plays their home games at New Era Field in Orchard Park, New York. The Bills are the only NFL team that plays its home games in the state of New York (the New York Giants and New York Jets play at MetLife Stadium, located in East Rutherford, New Jersey). The Bills conduct summer training camp at St. John Fisher College in Pittsford, New York, an eastern suburb of Rochester, New York.
Document 7: Bleecker Stadium: Bleecker Stadium is a multi-purpose stadium in Albany, New York. The stadium was once a reservoir for the Albany public water system. Today it has a baseball diamond, football/soccer field, and a softball field used by area high schools, colleges, and youth and adult leagues. Bleecker Stadium hosts several post-season games and series, including the Capital District Pop Warner Super Bowls. The stadium is on Clinton Avenue which is to the south, Ontario Street is to the east, and Second Street is to the north. Swinburne Park borders Bleecker to the west.
Document 8: Metropolitan Stadium: Metropolitan Stadium (often referred to as "the Met", "Met Stadium", or now "the Old Met" to distinguish from the Metrodome) was a sports stadium that once stood in Bloomington, Minnesota, just outside Minneapolis. The Minneapolis Millers minor league baseball team played at Met Stadium from 1956 to 1960. The Minnesota Twins and the Minnesota Vikings then played at the "Met" from 1961 to 1981. The North American Soccer League soccer team Minnesota Kicks also played there from 1976 to 1981.
Document 9: World Wide Technology Soccer Park: World Wide Technology Soccer Park, formerly known as St. Louis Soccer Park and Anheuser-Busch Center, is a soccer complex which includes four soccer-specific stadiums, with the main field, Toyota Stadium, holding 5,500 seats. Located in Fenton, Missouri, a suburb southwest of downtown St. Louis, it is operated by St. Louis Scott Gallagher Soccer Club whose 275 teams and 3,600 players use it for both practice and games. It is also the home field for Webster University's men's and women's soccer teams as well as Saint Louis FC. The complex has five playing fields—three turf and two grass—and one main exhibition turf field, most of which are lighted. The fields are primarily used for soccer but also host field hockey and lacrosse teams. In addition to the playing surfaces, the complex features offices, home and away locker rooms, a fan shop, a banquet hall, a veranda overlooking the main field, two concession stands, a press box, and a private office.
Document 10: Barbourfields Stadium: Barbourfields Stadium is a multi-purpose stadium in Bulawayo, Zimbabwe, home to Highlanders FC. It is currently used mostly for football matches. It is owned by Bulawayo City Council and is home to Highlanders F.C., one of the biggest soccer teams in Zimbabwe. Soccer fans commonly refer to the stadium as "Emagumeni" meaning "our backyard" in iSiNdebele. As of 2017, Barbourfields Stadium may be used as homeground to other football teams in and around Bulawayo including Bantu Rovers FC, How Mine FC and Chicken Inn FC, but mostly, when they play big teams. The stadium consists of four stands including the most famous ones; the Mpilo End (usually for the away fans), and, of coarse, the Soweto End (for the 'die hard' home fans). It has a capacity of 40,000  making it the second largest stadium in Zimbabwe after the National Sports Stadium (60,000).
Document 11: Albany Metro Mallers: The Albany Metro Mallers are a semi-professional football team that has played its home games primarily in Albany, New York, with the 6500-seat Bleecker Stadium as its home field. The team has long been successful regionally and nationally, having regularly been in the national semipro playoffs, and having won the national semipro title in 2008. Some of the team's players have gone on to play professional football, and a number of the team’s past and present players are listed among the all-time semipro football record holders.
Document 12: Watertown Red &amp; Black: The Watertown Red & Black is a semi-professional American football team based in Watertown, New York. Founded in 1896, the team is the oldest semi-pro football team in the United States. Because of this, the team has the most wins (565), losses (268), ties (43) and games played (876) of any semi-professional team; their overall win percentage is .670.
Document 13: List of Arena Football League arenas: The following is a list of Arena Football League (AFL) arenas. American and Canadian football is traditionally played outdoors on grass or artificial turf fields 120–150 yards (109.73–137.16 m) in length. However, arena football is played in covered climate-controlled multi-purpose venues. The field is comparable to the size of a National Hockey League rink, allowing 50 yard for a scrimmage area. The AFL was established in 1987 and features arena football teams across the United States. In 2014, the average AFL attendance was 8,473 per game. That year the Tampa Bay Storm averaged the most attendees per game with 11,402. The Orlando Predators were the least attended team in 2014 drawing an average of 5,421 per game. Talking Stick Resort Arena was the home of the Arizona Rattlers from 1992 until the team's departure in 2016, making it the longest operating AFL venue. The smallest venue to house an AFL team was the 5,000 seat West Palm Beach Auditorium, the home of the Florida Bobcats from 1996 to 1998. ArenaBowl IX at the Thunderdome (now Tropicana Field) in St. Petersburg, Florida on September 1, 1995, was the highest attended game in AFL history (25,087). Joe Louis Arena in Detroit has been host to four ArenaBowls (1989, 1990, 1991, 1993).
Document 14: Bulli FC: Bulli FC, commonly known as Bulli Football Club are a semi-professional association football team based in Bulli, New South Wales. They compete in the Illawarra Premier League, and are considered one of the most successful teams in the competition having finished Premiers 4 times, the most recently in 2014. The team plays out of Balls Paddock, a small ground located at Woonona, just south of Bulli which was opened in 1988. Bulli FC has had several well known, high-profile players both play, and coach at the club including Socceroos players Adrian Alston, and Dean Heffernan. In addition to their Illawarra Premier League team, Bulli FC also fields junior teams and women's teams in local club competitions in Wollongong.
Document 15: McKinnon Park Secondary School: McKinnon Park Secondary School is a high school in the town of Caledonia, Ontario. It replaced Caledonia High School for the school year 1992/1993, which was converted into River Heights Public School. The school contains a gymnasium, cafeteria, workshop, library, day care centre, and three computer labs. There is a greenhouse in a courtyard located in the east quad. The surrounding grounds contain a baseball field, a soccer field and a football field with a track surrounding it. The fields are used by youth soccer teams during the sport seasons. The school is in close proximity to the new arena/library and baseball diamond. It temporarily served as a home to the new population of River Heights Public School during in fall 1991 while renovations and an expansion were created, it also held a "church" congregation as their "church" was being built. This was strange because MPSS is a public school.
ground_truth: Albany public water system