Simplify the following text for a Grade 9 native English-speaking person.
Original: The Flames have won the Stanley Cup once , in 1989 , and four players have been elected into the Hockey Hall of Fame ; the most recent electee is Al MacInnis , who was enshrined in 2007 .
Simplified: The Flames have won the Stanley Cup once , in 1989 , and four players have been added into the Hockey Hall of Fame ; the most recent is Al MacInnis , who was added in 2007 .