Question: What team did the Pittsburgh Penguins lose to in the opening round to the eventual Stanley Cup?

full_context: Document 1: 1992 Stanley Cup Finals: The 1992 Stanley Cup Finals NHL championship series was contested by the Prince of Wales Conference and defending Stanley Cup champion Pittsburgh Penguins and the Clarence Campbell Conference champion Chicago Blackhawks. The Blackhawks were appearing in their first Finals since . After the Blackhawks jumped to an early 4–1 lead in the first game of the series, Mario Lemieux and the Penguins came back to win the game, sweep the series in four games, and win their second consecutive and second overall Stanley Cup. It was the 99th year of the Stanley Cup, and the first to extend into the month of June. It was the last final for Chicago Stadium as it closed in 1994.
Document 2: 1981–82 New York Islanders season: The 1981-82 New York Islanders season was the tenth season in the franchise's history. It involved winning the Stanley Cup.
Document 3: 1981–82 Pittsburgh Penguins season: The 1981–82 Pittsburgh Penguins season was their 15th in the National Hockey League. The qualified for the playoffs for the fourth straight year, but lost in the opening round to the eventual Stanley Cup champion New York Islanders three games to two. This would be the Penguins last playoff appearance until 1989.
Document 4: 1981 Philadelphia Eagles season: The 1981 Philadelphia Eagles season resulted in an appearance in the postseason for the fourth straight season (first time in franchise history the Eagles had made the postseason four straight times). The team was coming off a Super Bowl loss to the Oakland Raiders the previous season. Because they made the Super Bowl in 1980, they were picked by many to not only reach the Super Bowl, but to win it as well. The Eagles began the 1981 season with 6 straight wins, their best ever start to a season at the time. The Eagles would win then 3 of their next 5 games to sit at 9-2. They would then lose their next 4 games to slip to 9-6 and were in danger of missing out on the playoffs. The next week, they hammered the Cardinals 38-0 to clinch a playoff berth for the fourth straight season. In the playoffs, they met their arch rivals the Giants. It was New York's first playoff appearance in 18 years. In the game, the Giants would stun the eagles 27-21, ending the Eagles seasons as well as hopes for a second straight Super Bowl appearance. The Eagles would not make the playoffs again until 1988. They also wouldn't reach the Super Bowl again until 2004.
Document 5: New York Rangers: The New York Rangers are a professional ice hockey team based in New York City. They are members of the Metropolitan Division of the Eastern Conference of the National Hockey League (NHL). The team plays its home games at Madison Square Garden, located in the borough of Manhattan. The Rangers are one of three NHL franchises in the New York metropolitan area, along with the New Jersey Devils and New York Islanders. The club is also one of the oldest teams in the NHL, having joined in 1926 as an expansion franchise. They are part of the group of teams referred to as the Original Six, along with the Boston Bruins, Chicago Blackhawks, Detroit Red Wings, Montreal Canadiens and Toronto Maple Leafs. The Rangers were the first NHL franchise in the United States to win the Stanley Cup, which they have done four times, most recently in 1993–94.
Document 6: Mike Bossy: Michael Dean Bossy or, according to some sources, Michael Jean Bossy (born January 22, 1957) is a Canadian former ice hockey player who played for the New York Islanders for his entire career and was a crucial part of their four-year reign as Stanley Cup champions in the early 1980s. Among many other remarkable achievements, he was the only player in NHL history to score consecutive Stanley Cup winning goals (1982 and 1983) and the only player to record four game-winning goals in one series (1983 Conference Final). He is the NHL's all-time leader in average goals scored per regular season game, holds the NHL's third highest all-time average points scored per regular season game, and is one of only five players to score 50 goals in 50 games. On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Bossy became part of the second group of players to be named one of the '100 Greatest NHL Players' in history.
Document 7: 1981–82 Calgary Flames season: The 1981–82 Calgary Flames season was the second season in Calgary and tenth for the Flames franchise in the National Hockey League. The follow-up to the Flames' first season in Calgary proved to be disappointing on the ice. 29 wins represented the Flames lowest total since the franchise's inaugural season in Atlanta. Despite the poor record, Calgary finished in third place in the newly organized Smythe Division, earning a playoff match-up against the Vancouver Canucks. The Flames returned to their Atlanta form, being swept out of the post-season in three straight games, as the Canucks began their run to the Stanley Cup Finals.
Document 8: 1981–82 Phoenix Suns season: The 1981–82 Phoenix Suns season was the 14th season for the Phoenix Suns of the National Basketball Association. The Suns were in the playoffs for the fifth consecutive season, extending a then-franchise record. In the first round, Denver was taken down by the Suns, two games to one. Phoenix would find a tougher opponent, however, in the Western Conference Semifinals, getting swept four games to zero by the eventual league champions, Los Angeles Lakers. The Suns were led by head coach John MacLeod and played all home games in Arizona Veterans Memorial Coliseum.
Document 9: 2017–18 Pittsburgh Penguins season: The 2017–18 Pittsburgh Penguins season will be the 51st season for the National Hockey League ice hockey team that was established on June 5, 1967. They will enter the season as two-time defending Stanley Cup champions. It will be the first season since the 2002–03 season in which the team will play without goaltender Marc-Andre Fleury, who was drafted to the Vegas Golden Knights in the expansion draft.
Document 10: 1991 Stanley Cup Finals: The 1991 Stanley Cup Finals was contested by the Pittsburgh Penguins and the Minnesota North Stars. It was the Penguins' first Final series appearance and their first Stanley Cup victory. This is the first and only (through 2017) Stanley Cup Final to feature two teams from the expansion group of 1967. It was Minnesota's second Final series appearance, and their last before the franchise's relocation to Dallas two years later. It was also the first time since that an American franchise would win the Stanley Cup. This was the first all-American finals since , which also featured the North Stars in their first appearance.
Document 11: 2011–12 Pittsburgh Penguins season: The 2011–12 Pittsburgh Penguins season was the franchise’s 45th season in the National Hockey League (NHL). The Penguins, led by head coach Dan Bylsma, would start the season without captain center Sidney Crosby. The team still managed a 51–25–6 record, an East-best 29 home wins, and their 108 points second-best in the Eastern Conference. In February, the team began the league's longest season winning streak and also saw the return of Crosby after missing more than 40 games with concussion like symptoms, before they saw the streak end in March at 11 games. Center Evgeni Malkin was able to play in 75 games despite difficulties associated with recent knee surgery and recorded his greatest goal tally in a season (50) on the way to winning his second Art Ross Trophy. Marc-Andre Fleury tied a franchise record for goalie wins (226) in a victory against the Atlantic division winning-New York Rangers. The four-seed Penguins would see their playoff run end to the same team which halted their regular season winning streak, the Philadelphia Flyers, losing the first three games before perishing in Game 6 of the Eastern Conference Semifinals.
Document 12: New York Islanders: The New York Islanders are a professional ice hockey team based in New York City. They are members of the Metropolitan Division of the Eastern Conference of the National Hockey League (NHL). The team plays its home games at Barclays Center, located in the borough of Brooklyn. The Islanders are one of three NHL franchises in the New York metropolitan area, along with the New Jersey Devils and New York Rangers, and their fan base resides primarily on Long Island.
Document 13: 1991–92 New York Islanders season: The 1991–92 New York Islanders season was the 20th season in the franchise's history. Denis Potvin's number 5 and Mike Bossy's number 22 were retired by the franchise.
Document 14: Pittsburgh Penguins: The Pittsburgh Penguins are a professional ice hockey team based in Pittsburgh, Pennsylvania. They are members of the Metropolitan Division of the Eastern Conference of the National Hockey League (NHL). The franchise was founded in 1967 as one of the first expansion teams during the league's original expansion from six to twelve teams. The Penguins played in the Civic Arena, also known to Pittsburgh fans as "The Igloo", from the time of their inception through the end of the 2009–10 season. They moved into their new arena, PPG Paints Arena, to begin the 2010–11 season. They have qualified for six Stanley Cup Finals, winning the Stanley Cup five times – in 1991, 1992, 2009, 2016, and 2017. Along with the Edmonton Oilers, the Penguins are tied for the most Cup championships among non-Original Six teams. With their Stanley Cup wins in 2016 and 2017, the Penguins became the first back-to-back champions in 19 years (since the 1997–98 Detroit Red Wings) and the first team to do so since the introduction of the salary cap.
Document 15: 1974–75 New York Islanders season: The 1974–75 New York Islanders season was the third season for the franchise in the National Hockey League. During the regular season, the Islanders finished in third place in the Patrick Division with a 33–25–22 record and qualified for the Stanley Cup playoffs for the first time in the franchise's history. In the first round of the playoffs, New York defeated the New York Rangers in three games to advance to the Quarter-finals, where the team defeated the Pittsburgh Penguins in seven games, after they had lost the first three. The team lost in the semi-finals to the Philadelphia Flyers in seven games.
ground_truth: New York Islanders