Question: How many seasons did the man whose name was use in Honor of Maurice "Rocket" Richard Trophy played  in the National Hockey League?

full_context: Document 1: List of past NHL scoring leaders: The following are lists showing the point- and goal-scoring leaders of the National Hockey League before the league issued trophies for such achievements. The point-scoring leader has been awarded the Art Ross Trophy since the 1947–48 NHL season, and the goal-scoring leader has been awarded the Maurice "Rocket" Richard Trophy since the 1998–99 NHL season.
Document 2: Maurice Richard: 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.
Document 3: Bobby Orr: 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.
Document 4: Teemu Selänne: Teemu Ilmari Selänne (] ), nicknamed "The Finnish Flash" (born July 3, 1970), is a Finnish former professional ice hockey winger. He began his professional career in 1989–90 with Jokerit of the SM-liiga and played 21 seasons in the National Hockey League (NHL) for the Winnipeg Jets, Anaheim Ducks, San Jose Sharks and Colorado Avalanche. Selänne is the highest scoring Finn in NHL history, and one of the highest overall; he retired in 2014 11th all-time with 684 goals and 15th with 1,457 points. He holds numerous team scoring records for both the Winnipeg/Arizona franchise and the Anaheim Ducks. His jersey number 8 was retired by the Ducks in 2015. On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Selanne was part of the second group of players to be named one of the '100 Greatest NHL Players' in history.. On June 26, 2017, Selanne was elected to the Hockey Hall of Fame as the second Finn after Jari Kurri.
Document 5: Brett Hull: Brett Andrew Hull (born August 9, 1964) is a Canadian-born American former National Hockey League (NHL) player and general manager, and currently an executive vice president of the St. Louis Blues. He played for the Calgary Flames, St. Louis Blues, Dallas Stars, Detroit Red Wings and Phoenix Coyotes between 1986 and 2005. His career total of 741 goals is the fourth highest in NHL history, and he is one of five players to score 50 goals in 50 games. He was a member of two Stanley Cup winning teams - 1999 with the Dallas Stars and 2002 with the Detroit Red Wings. His championship winning goal for Dallas in overtime of game six of the 1999 Stanley Cup Finals remains the focus of debate over whether it was scored within the rules of the time. On January 27, 2017, in a ceremony during the All-Star Weekend in Los Angeles, Hull was part of the second group of players to be named one of the '100 Greatest NHL Players' in history.
Document 6: Gordie Howe: Gordon "Gordie" Howe, OC (March 31, 1928 – June 10, 2016) was a Canadian professional ice hockey player. From 1946 to 1980, he played twenty-six seasons in the National Hockey League (NHL) and six seasons in the World Hockey Association (WHA); his first 25 seasons were spent with the Detroit Red Wings. Nicknamed "Mr. Hockey", Howe is considered the most complete player to ever play the game and one of the greatest ice hockey players of all time. A 23-time NHL All-Star, he held many of the sport's career scoring records until they were broken in the 1980s by Wayne Gretzky, who himself has been a major champion of Howe's legacy. He continues to hold NHL records for most games and seasons played. In 2017, Howe was named one of the "100 Greatest NHL Players".
Document 7: Guy Lafleur: 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.
Document 8: Maurice &quot;Rocket&quot; Richard Trophy: The Maurice "Rocket" Richard Trophy, also known as the Maurice Richard Trophy, is awarded annually to the leading goal scorer in the National Hockey League (NHL). It was donated to the NHL by the Montreal Canadiens in and is named in honour of legendary Montreal Canadiens right winger Maurice "Rocket" Richard. It was first won by Teemu Selanne. The current holder is Sidney Crosby of the Pittsburgh Penguins, who scored 44 goals during the season.
Document 9: Mario Lemieux: Mario Lemieux, OC, CQ ( ; ] ; born October 5, 1965) is a Canadian former professional ice hockey player and current owner of the Pittsburgh Penguins team. He played parts of 17 seasons in the National Hockey League's (NHL) with the Pittsburgh Penguins, between 1984 and 2006. Dubbed "The Magnificent One" or "Le Magnifique" (as well as "Super Mario"), he is widely acknowledged to have been one of the best players of all time. He is the only player to score one goal in each of the five possible situations in a single NHL game, a feat he accomplished in 1988. A gifted playmaker and fast skater despite his large size, Lemieux often beat defencemen with fakes and dekes.
Document 10: Mike Bossy: 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.
Document 11: The Rocket (2005 film): The Rocket (Canadian French: Maurice Richard , also known as The Rocket: The Legend of Rocket Richard and The Rocket: The Maurice Richard Story) is a French-Canadian biopic about the ice hockey player Maurice "The Rocket" Richard. It stars Roy Dupuis and was directed by Charles Binamé. It features appearances by National Hockey League players Mike Ricci, Sean Avery, Vincent Lecavalier, Philippe Sauvé, Stéphane Quintal, Ian Laperrière, and Pascal Dupuis.
Document 12: Steven Stamkos: Steven Stamkos (born February 7, 1990) is a Canadian professional ice hockey centre, the captain of the Tampa Bay Lightning of the National Hockey League (NHL). Stamkos was the first overall pick in the 2006 OHL Entry Draft, from the Markham Waxers of the OMHA. Playing with the Sarnia Sting of the Ontario Hockey League (OHL), he scored 100 goals over two years. After a successful OHL career, Stamkos was selected first overall in the 2008 NHL Entry Draft by the Tampa Bay Lightning. He is a two-time Maurice Richard Trophy winner as the NHL's leading goal-scorer (2010 and 2012), is a two-time NHL Second Team All-Star (2011, 2012) and has been named to four NHL All-Star Games (2011, 2012, 2015, 2016).
Document 13: Conn Smythe Trophy: The Conn Smythe Trophy (French: "Trophée Conn Smythe" ) is awarded annually to the player judged most valuable to his team (MVP) during the National Hockey League's (NHL) Stanley Cup playoffs. It is named after Conn Smythe, the longtime owner, general manager, and head coach of the Toronto Maple Leafs. The Conn Smythe Trophy has been awarded 48 times to 42 players since the 1964–65 NHL season. Each year, at the conclusion of the final game of the Stanley Cup Final, members of the Professional Hockey Writers' Association vote to elect the player deserving of the trophy. The trophy is handed out prior to the presentation of the Stanley Cup by the NHL Commissioner and only the winner is announced, in contrast to most of the other NHL awards which name three finalists and are presented at a ceremony.
Document 14: Wayne Gretzky: Wayne Douglas Gretzky {'1': ", '2': ", '3': ", '4': "} ( ; born January 26, 1961) is a Canadian former professional ice hockey player and former head coach. He played twenty seasons in the National Hockey League (NHL) for four teams from 1979 to 1999. Nicknamed "The Great One", he has been called "the greatest hockey player ever" by many sportswriters, players, and the league itself. He is the leading scorer in NHL history, with more goals and assists than any other player. He garnered more assists than any other player scored total points, and is the only NHL player to total over 200 points in one season – a feat he accomplished four times. In addition, he tallied over 100 points in 16 professional seasons, 14 of them consecutive. At the time of his retirement in 1999, he held 61 NHL records: 40 regular-season records, 15 playoff records, and six All-Star records. As of 2015, he still holds 60 NHL records.
Document 15: Willie Marshall Award: The Willie Marshall Award is given to the American Hockey League's leading goal scorer for the regular season. The award was established in the 2003–04 season to honour Willie Marshall, the AHL's all-time leader in goals, assists, points and games played. Marshall is also the AHL's all-time leader in post-season scoring.
ground_truth: 18 seasons