To answer this question, we should know that: The Eastern Conference champion Cleveland Cavaliers defeated the Western Conference champion Golden State Warriors 4 -- 3 in a rematch of the 2015 NBA Finals.is the reasoning for what question and answer pair?
Q: The 2016 NBA Finals was the championship series of the National Basketball Association (NBA) 2015 -- 16 season and conclusion of the 2016 playoffs. The Eastern Conference champion Cleveland Cavaliers defeated the Western Conference champion Golden State Warriors 4 -- 3 in a rematch of the 2015 NBA Finals. It was the 14th rematch of the previous NBA Finals in history, and the first Finals since 2008 in which the number one seed in each conference met. It was the second straight rematch in back-to-back years, as the Miami Heat and San Antonio Spurs played each other in 2013 and 2014.

Based on this passage, who did cleveland play in the finals last year?
A: Golden State Warriors