Question: The 1985 Major League Baseball All-Star Game was hosted in a domed sports stadium opened in what year?

Context paragraphs:
2014 Major League Baseball All-Star Game: The 2014 Major League Baseball All-Star Game was the 85th edition of the Major League Baseball All-Star Game, held at Target Field in Minneapolis, Minnesota, the home of the Minnesota Twins.  This was the third All-Star Game played in the Twin Cities; Metropolitan Stadium hosted the game in 1965, while the Hubert H. Humphrey Metrodome hosted the game in 1985.  It was televised in the United States on Fox as part of a new eight-year deal.  In preparation for the game the Twin Cities' transit company, MetroTransit, completed the new METRO Green Line light-rail between downtown Minneapolis and downtown Saint Paul, and began service on June 14, 2014.

2017 Major League Baseball All-Star Game: The 2017 Major League Baseball All-Star Game was the 88th edition of the Major League Baseball All Star Game.  The game was hosted by the Miami Marlins and was played at Marlins Park on July 11, 2017.  It was televised nationally by Fox.  The game was the first since 2002 whose outcome did not determine home-field advantage for the World Series; instead, the team with the better regular-season record will have home-field advantage.  The Marlins were announced as the hosts on February 10, 2015, by Major League Baseball Commissioner Rob Manfred; the game was the Marlins' first time hosting, leaving the Tampa Bay Rays as the only MLB franchise not to have hosted an All-Star game.

2016 Major League Baseball All-Star Game: The 2016 Major League Baseball All-Star Game was the 87th edition of the Major League Baseball All-Star Game.  The game was hosted by the San Diego Padres and was played at Petco Park on July 12, 2016.  It was televised nationally on Fox.  The American League All-Stars defeated the National League All-Stars by a score of 4–2 to win home field advantage for the 2016 World Series (which went to the Cleveland Indians).  This was also the last time home-field advantage for the World Series was determined by the outcome of the All-Star Game.

2012 Major League Baseball All-Star Game: The 2012 Major League Baseball All-Star Game was the 83rd edition of the Major League Baseball All-Star Game.  It was held on July 10, 2012, during the 2012 Major League Baseball season at Kauffman Stadium in Kansas City, Missouri, home of the Kansas City Royals.  This marked the third time the Mid-summer Classic had been played in Kansas City, with Kauffman Stadium (then named Royals Stadium) last hosting the event in 1973, the stadium's first year of existence.  The event was also held at Municipal Stadium in 1960, when the Athletics were still based there, one of two played that season.  The game was televised in the United States by Fox.

Hubert H. Humphrey Metrodome: The Hubert H. Humphrey Metrodome (commonly called the Metrodome) was a domed sports stadium located in downtown Minneapolis, Minnesota.  It opened in 1982 as a replacement for Metropolitan Stadium, the former home of the National Football League's (NFL) Minnesota Vikings and Major League Baseball's (MLB) Minnesota Twins, and Memorial Stadium, the former home of the Minnesota Golden Gophers football team.

Astrodome: The NRG Astrodome, also known as the Houston Astrodome or simply The Astrodome, is the world's first multi-purpose, domed sports stadium, located in Houston, Texas.  Construction on the stadium began in 1962, and it officially opened in 1965.  It served as home to the Houston Astros of Major League Baseball (MLB) from its opening in 1965 until 1999, and the home to the Houston Oilers of the National Football League (NFL) from 1968 until 1996, and also the part-time home of the Houston Rockets of the National Basketball Association (NBA) from 1971 until 1975.  Additionally, the Astrodome was the primary venue of the Houston Livestock Show and Rodeo from 1966 until 2002.  When opened, it was named the Harris County Domed Stadium and was nicknamed the "Eighth Wonder of the World".

2009 Major League Baseball All-Star Game: The 2009 Major League Baseball All-Star Game was the 80th midseason exhibition between the all-stars of the American League (AL) and the National League (NL), the two leagues comprising Major League Baseball.  The game was held on July 14, 2009, at Busch Stadium in St. Louis, Missouri, the home of the National League St. Louis Cardinals.  The game was the first all-star game held in St. Louis since 1966.  This was the seventh year in which the All-Star Game determined home field advantage in the World Series, with the American League winning all seven games up to and including 2009 under this format.  After the game, the National League lead, 40–38–2, but had not won since 1996.  Fox televised the contest, with Joe Buck and Tim McCarver in the booth for the game broadcast, joined at the bottom of the 2nd inning by President Barack Obama.  Pre-game coverage began at 5 PM US EDT on MLB Network, with ESPN joining in at 7 PM US EDT.  Outside the USA, Rogers Sportsnet (Canada) and ESPN America (Europe) carried MLB's international feed with their own video feed and announcers.

1985 Major League Baseball All-Star Game: The 1985 Major League Baseball All-Star Game was the 56th playing of the game, annually played between the All-Stars of the National League and the All-Stars of the American League.  The game was played on July 16, 1985, in the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota, home of the Minnesota Twins.

2013 Major League Baseball All-Star Game: The 2013 Major League Baseball All-Star Game was the 84th edition of the Major League Baseball All-Star Game.  It was held on Tuesday, July 16, 2013 at Citi Field in Queens, New York City, the home of the New York Mets.  This was the first time that the Mets have hosted an All-Star Game since 1964, the team's inaugural season at Shea Stadium, and the ninth time the All-Star Game was held in New York City.  The game was last held in New York City in 2008, when the old Yankee Stadium hosted it in its final season before being demolished.  It was televised in the United States on Fox.

Cleveland Stadium: Cleveland Stadium, commonly known as Municipal Stadium or Lakefront Stadium, was a multi-purpose stadium located in Cleveland, Ohio.  It was one of the early multi-purpose stadiums, built to accommodate both baseball and football.  The stadium opened in 1931 and is best known as the long-time home of the Cleveland Indians of Major League Baseball, from 1932 to 1993, and the Cleveland Browns of the National Football League (NFL), from 1946 to 1995, in addition to hosting other teams, sports, and being a regular concert venue.  The stadium was a four-time host of the Major League Baseball All-Star Game, one of the host venues of the 1948 and 1954 World Series, and the site of the original Dawg Pound, Red Right 88, and The Drive.

Supporting paragraphs: 2014 Major League Baseball All-Star Game Hubert H. Humphrey Metrodome
Answer: 1982