Explain simply why Nashville Predators is the correct answer to: Passage: The 2017 Stanley Cup Finals was the championship series of the National Hockey League's (NHL) 2016 -- 17 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, just like they did the previous four times.

Question: Based on this passage, who did the penguins beat in the stanley cup last year?. Explanation:
To answer the above question, the relevant sentence is: The Eastern Conference champion and defending Stanley Cup champion Pittsburgh Penguins defeated the Western Conference champion Nashville Predators, four games to two.