List of NHL playoff series

Columns: Opponent | S | Occurrences | GP | Rec | %
New York Rangers | 11 | 1974 , 1979 , 1980 , 1982 , 1983 , 1985 , 1986 , 1987 , 1995 , 1997 , 2014 | 54 | 6-5 | .545 | Buffalo Sabres | 9 | 1975 , 1978 , 1995 , 1997 , 1998 , 2000 , 2001 , 2006 , 2011 | 50 | 6-3 | .667 | Pittsburgh Penguins | 7 | 1989 , 1997 , 2000 , 2008 , 2009 , 2012 , 2018 | 41 | 4-3 | .571 | Toronto Maple Leafs | 6 | 1975 , 1976 , 1977 , 1999 , 2003 , 2004 | 36 | 5-1 | .833 | Boston Bruins | 6 | 1974 , 1976 , 1977 , 1978 , 2010 , 2011 | 31 | 3-3 | .500 | Montreal Canadiens | 6 | 1973 , 1976 , 1987 , 1989 , 2008 , 2010 | 31 | 3-3 | .500 | New Jersey Devils | 6 | 1978 , 1995 , 2000 , 2004 , 2010 , 2012 | 30 | 3-3 | .500

Example questions:
How many playoff seasons in National Hockey League occurred for the opponent against Philadelphia Flyers that was founded in 1974 as an expansion franchise ? | How many playoff seasons in National Hockey League occurred for the opponent against Philadelphia Flyers that was founded in 1926 by Tex Rickard ? | How many playoff seasons in National Hockey League occurred for the opponent against Philadelphia Flyers that has twice advanced to the Stanley Cup Finals ? | How many playoff seasons in National Hockey League occurred for the opponent against Philadelphia Flyers that was founded in 1917 ?

Answers:
5 | 11 | 9 | 6