Question: who played in the stanley cup finals last year
[{'answer': 'Pittsburgh Penguins', 'provenance': [{'wikipedia_id': '50876707', 'title': '2017 Stanley Cup Finals', 'start_paragraph_id': 1, 'start_character': 231, 'end_paragraph_id': 1, 'end_character': 250, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Nashville Predators', 'provenance': [{'wikipedia_id': '50876707', 'title': '2017 Stanley Cup Finals', 'start_paragraph_id': 1, 'start_character': 292, 'end_paragraph_id': 1, 'end_character': 311, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the Western Conference champion Nashville Predators'}, {'answer': 'The Eastern Conference champion and defending Stanley Cup champion Pittsburgh Penguins'}, {'provenance': [{'wikipedia_id': '50876707', 'title': '2017 Stanley Cup Finals', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 532, 'bleu_score': 0.8378897627906211, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8904669975671127164}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50876707', 'title': '2017 Stanley Cup Finals', 'section': 'Section::::Paths to the Finals.:Nashville Predators.\n', 'start_paragraph_id': 14, 'end_paragraph_id': 14, 'meta': {'evidence_span': ['The Predators started the playoffs by upsetting the top-seeded Chicago Blackhawks in four games, becoming the first wild-card team in NHL history to sweep the top seed in their conference. They followed that up by eliminating the St. Louis Blues and Anaheim Ducks, both in six games. Kevin Fiala and Johansen sustained serious leg injuries in the second and third rounds respectively, and both missed the remainder of the playoffs. The Predators were the third different franchise that head coach Peter Laviolette led to the Stanley Cup Finals. He won the Cup with the Carolina Hurricanes in 2006, and also took the Philadelphia Flyers to the 2010 Stanley Cup Finals.', 'The Predators started the playoffs by upsetting the top-seeded Chicago Blackhawks in four games, becoming the first wild-card team in NHL history to sweep the top seed in their conference. They followed that up by eliminating the St. Louis Blues and Anaheim Ducks, both in six games. Kevin Fiala and Johansen sustained serious leg injuries in the second and third rounds respectively, and both missed the remainder of the playoffs. The Predators were the third different franchise that head coach Peter Laviolette led to the Stanley Cup Finals. He won the Cup with the Carolina Hurricanes in 2006, and also took the Philadelphia Flyers to the 2010 Stanley Cup Finals.']}}]}, {'provenance': [{'wikipedia_id': '50876707', 'title': '2017 Stanley Cup Finals', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["The 2017 Stanley Cup Finals was the championship series of the National Hockey League's (NHL) 201617 season, and the culmination of the 2017 Stanley Cup playoffs. The Eastern Conference champion and defending Stanley Cup champion Pittsburgh Penguins defeated the Western Conference champion Nashville Predators, four games to two. Penguins captain Sidney Crosby was awarded the Conn Smythe Trophy as the most valuable player of the playoffs for the second consecutive year. The Penguins won the Stanley Cup in their opponent's rink, for the fifth time.", "The 2017 Stanley Cup Finals was the championship series of the National Hockey League's (NHL) 201617 season, and the culmination of the 2017 Stanley Cup playoffs. The Eastern Conference champion and defending Stanley Cup champion Pittsburgh Penguins defeated the Western Conference champion Nashville Predators, four games to two. Penguins captain Sidney Crosby was awarded the Conn Smythe Trophy as the most valuable player of the playoffs for the second consecutive year. The Penguins won the Stanley Cup in their opponent's rink, for the fifth time.", 'The Eastern Conference champion and defending Stanley Cup champion Pittsburgh Penguins defeated the Western Conference champion Nashville Predators,']}}]}, {'provenance': [{'wikipedia_id': '1600064', 'title': '1992 Stanley Cup Finals', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["The 1992 Stanley Cup Finals was the championship series of the National Hockey League's (NHL) 199192 season, and the culmination of the 1992 Stanley Cup playoffs. It 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 41 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.", "The 1992 Stanley Cup Finals was the championship series of the National Hockey League's (NHL) 199192 season, and the culmination of the 1992 Stanley Cup playoffs. It 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 41 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."]}}]}, {'provenance': [{'wikipedia_id': '55626926', 'title': '2018 Stanley Cup Finals', 'section': 'Section::::Path to the Finals.:Vegas Golden Knights.\n', 'start_paragraph_id': 13, 'end_paragraph_id': 13, 'meta': {'evidence_span': ['Instead of being sellers trying to unload players with one-year contracts by the trade deadline, Vegas became surprise buyers, acquiring Ryan Reaves from the Penguins and Tomas Tatar from the Detroit Red Wings. On March 26, 2018, Vegas became the first team to make the playoffs in their inaugural season in the league since the Edmonton Oilers and Hartford Whalers in the 197980 season. Following that achievement, on March 31, Vegas became the first modern-era expansion team from any of the four major sports and the first NHL team since the 192627 New York Rangers to win their division in their inaugural season (excluding the 196768 Philadelphia Flyers, as all teams in the West Division that year were expansion teams). The Golden Knights ended up finishing the regular season with 109 points (51247). In the playoffs, Vegas swept the Los Angeles Kings in four games, defeated the San Jose Sharks in six games, and eliminated the Winnipeg Jets in the Western Conference Finals in five games.', 'Instead of being sellers trying to unload players with one-year contracts by the trade deadline, Vegas became surprise buyers, acquiring Ryan Reaves from the Penguins and Tomas Tatar from the Detroit Red Wings. On March 26, 2018, Vegas became the first team to make the playoffs in their inaugural season in the league since the Edmonton Oilers and Hartford Whalers in the 197980 season. Following that achievement, on March 31, Vegas became the first modern-era expansion team from any of the four major sports and the first NHL team since the 192627 New York Rangers to win their division in their inaugural season (excluding the 196768 Philadelphia Flyers, as all teams in the West Division that year were expansion teams). The Golden Knights ended up finishing the regular season with 109 points (51247). In the playoffs, Vegas swept the Los Angeles Kings in four games, defeated the San Jose Sharks in six games, and eliminated the Winnipeg Jets in the Western Conference Finals in five games.']}}]}]