Question: What was the player number of the New York Islander's player who was named to the '100 Greatest NHL Players'?
Context: Pavel Valerievich Datsyuk (Russian: Па́вел Вале́рьевич Дацю́к , ] ; born 20 July 1978) also known as The Magic Man is a Russian professional ice hockey player and captain for SKA Saint Petersburg of the Kontinental Hockey League (KHL).  His NHL rights are currently being held by the Arizona Coyotes.  He previously played for the Detroit Red Wings of the National Hockey League (NHL) from 2001 to 2016 before retiring from the NHL.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Datsyuk became part of the second group of players to be named one of the '100 Greatest NHL Players' in history, and was the only active player outside of the NHL at the time of announcement. The 1991–92 New York Islanders season was the 20th season in the franchise's history.  Denis Potvin's number 5 and Mike Bossy's number 22 were retired by the franchise. Bernard Marcel "Bernie" Parent (born April 3, 1945) is a retired Canadian professional ice hockey goaltender who played 13 National Hockey League (NHL) seasons with the Philadelphia Flyers, Boston Bruins, and Toronto Maple Leafs, and also spent one season in the World Hockey Association (WHA) with the Philadelphia Blazers.  Parent is widely acknowledged as one of the greatest goaltenders of all time.  During the 1973–74 and 1974–75 seasons, in what many consider the finest consecutive seasons ever by a goaltender, the Flyers won two Stanley Cups and Parent won the Vezina Trophy and Conn Smythe Trophy both seasons.  In that two-year run of dominance, Parent posted 30 shutouts in regular and post season play combined.  A 1984 inductee into the Hockey Hall of Fame, Parent was rated number 63 on The Hockey News' list of "The Top 100 NHL Players of All-Time" in 1998.  Parent remains an iconic fan favorite in Philadelphia more than three decades after his retirement.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Parent was part of the second group of players to be named one of the '100 Greatest NHL Players' in history. Robert Earle Clarke (born August 13, 1949), also known as Bob Clarke (since retirement as a player) and Bobby Clarke (while active as a player), is a Canadian former professional ice hockey centre who played his entire 15-year National Hockey League (NHL) career with the Philadelphia Flyers and is currently an executive with the team.  Clarke is widely acknowledged as being one of the greatest hockey players and captains of all time.  He was captain of the Flyers from 1973 to 1979, winning the Stanley Cup with them in both 1974 and 1975.  He was again captain of the Flyers from 1982 to 1984 before retiring.  A 3-time Hart Trophy winner and 1987 Hockey Hall of Fame inductee, Clarke was rated number 24 on The Hockey News' list of "The Top 100 NHL Players of All-Time" in 1998.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Clarke became part of the second group of players to be named one of the '100 Greatest NHL Players' in history. Michael Dean Bossy or, according to some sources, Michael Jean Bossy (born January 22, 1957) is a Canadian former ice hockey player who played for the New York Islanders for his entire career and was a crucial part of their four-year reign as Stanley Cup champions in the early 1980s.  Among many other remarkable achievements, he was the only player in NHL history to score consecutive Stanley Cup winning goals (1982 and 1983) and the only player to record four game-winning goals in one series (1983 Conference Final).  He is the NHL's all-time leader in average goals scored per regular season game, holds the NHL's third highest all-time average points scored per regular season game, and is one of only five players to score 50 goals in 50 games.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Bossy became part of the second group of players to be named one of the '100 Greatest NHL Players' in history. Joseph "Joe" Nieuwendyk (born September 10, 1966) is a Canadian former National Hockey League (NHL) player.  He was a second round selection of the Calgary Flames, 27th overall, at the 1985 NHL Entry Draft and played 20 seasons for the Flames, Dallas Stars, New Jersey Devils, Toronto Maple Leafs, and Florida Panthers.  He is one of only 11 players in NHL history to win the Stanley Cup with three or more different teams, winning titles with Calgary in 1989, Dallas in 1999 and New Jersey in 2003.  A two-time Olympian, Nieuwendyk won a gold medal with Team Canada at the 2002 winter games.  He was inducted into the Hockey Hall of Fame in 2011 and his uniform number 25 was honoured by the Flames in 2014.  Joe Nieuwendyk was inducted into the Ontario Sports Hall of Fame in 2014.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Nieuwendyk was part of the second group of players to be named one of the '100 Greatest NHL Players' in history. Robert Gordon Orr, OC (born March 20, 1948) is a Canadian former professional ice hockey player, widely acknowledged as one of the greatest hockey players of all time.  Orr used his ice skating speed, scoring, and play-making abilities to revolutionize the position of defenceman.  He played in the National Hockey League (NHL) for 12 seasons, starting with 10 with the Boston Bruins followed by two with the Chicago Black Hawks.  Orr remains the only defenceman to have won the league scoring title with two Art Ross Trophies.  He holds the record for most points and assists in a single season by a defenceman.  Orr won a record eight consecutive Norris Trophies as the NHL's best defenceman and three consecutive Hart Trophies as the league's most valuable player (MVP).  Orr was inducted into the Hockey Hall of Fame in 1979 at age 31, the youngest to be inducted at that time.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Orr was part of the second group of players to be named one of the '100 Greatest NHL Players' in history.  After his hockey career, he became a well-known scout for many professional teams.  He also spends time talking to and mentoring young skaters. Joseph Henri Maurice "Rocket" Richard {'1': ", '2': ", '3': ", '4': "} ( ; ] ; August 4, 1921 – May 27, 2000) was a Canadian professional ice hockey player who played 18 seasons in the National Hockey League (NHL) for the Montreal Canadiens.  He was the first player in NHL history to score 50 goals in one season, accomplishing the feat in 50 games in 1944–45, and the first to reach 500 career goals.  Richard retired in 1960 as the league's all-time leader in goals with 544.  He won the Hart Trophy as the NHL's most valuable player in 1947, played in 13 All-Star Games and was named to 14 post-season NHL All-Star Teams, eight on the First-Team.  On January 1, 2017, in a ceremony prior to the Centennial Classic, Richard was part of the first group of players to be named one of the '100 Greatest NHL Players' in history. Bryan John Trottier (born July 17, 1956) is a Canadian former professional ice hockey centre who played 18 seasons in the National Hockey League (NHL) for the New York Islanders and Pittsburgh Penguins.  He won four Stanley Cups with the Islanders, two with the Penguins and one as an assistant coach with the Colorado Avalanche.  He holds the NHL record for points in a single period with six (four goals and two assists) in the second period against the Rangers on December 23, 1978.  He is also one of only eight NHL players with multiple five-goal games.  On August 4, 2014, Trottier was announced as an assistant coach for the Buffalo Sabres.  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Trottier was part of the second group of players to be named one of the '100 Greatest NHL Players' in history. Guy Damien "The Flower" / "Le Démon Blond" Lafleur, OC, CQ (born September 20, 1951) is a Canadian former professional ice hockey player who was the first player in the National Hockey League (NHL) to score 50 goals and 100 points in six straight seasons.  Between 1971 and 1991, he played for the Montreal Canadiens, New York Rangers and Quebec Nordiques in an NHL career spanning 17 seasons, and five Stanley Cup championships (all with the Canadiens).  On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Lafleur was part of the second group of players to be named one of the '100 Greatest NHL Players' in history.
Answer: 22