Question: How many member teams are in the hockey league which Murray Williamson played, coached, and managed within?

<P0-S0> The 1977–78 AHL season was the 42nd season of the American Hockey League. <P0-S1>  The season was in jeopardy when the last of the original eight franchises of the "International-American Hockey League", the Rhode Island Reds (previously Providence Reds) folded in the offseason, and the AHL was left with five teams. <P0-S2>  The league increased its member teams by four, when the North American Hockey League and Southern Hockey Leagues both folded before the 1977–78 season. <P0-S3>  Two teams joined from the NAHL, and another from the SHL, along with one expansion team. <SEP> <P1-S0> The United States Hockey League (USHL) is the top junior ice hockey league in the United States. <P1-S1>  The USHL has 17 member teams located in the Midwestern United States, consisting of players who are 20 years of age and younger. <P1-S2>  The USHL is strictly amateur, allowing former players to compete in NCAA college hockey. <SEP> <P2-S0> Murray Williamson (born January 13, 1934 in Winnipeg, Manitoba, Canada) is a retired ice hockey player and coach. <P2-S1>  Williamson was an All American at the University of Minnesota in 1959 and played, coached and managed in the United States Hockey League with the St. Paul Steers. <P2-S2>  He coached the United States National teams in the World Hockey Championships in 1967, 1969 and 1971 and the United States Olympic teams in 1968 and 1972. <P2-S3>  The 1972 team won the silver medal at the 1972 Winter Olympics held in Sapporo, Japan. <P2-S4>  He was instrumental in the founding of the Midwest Junior Hockey League in 1973 (now called the United States Hockey League) and was the coach and general manager of the first United States National Junior team that participated in the inaugural World Junior Tournament held in Lennigrad, Russia in 1973. <P2-S5>  Williamson was inducted into the United States Hockey Hall of Fame in 2005,the Massachusetts Hockey Hall of Fame in 2000, the Manitoba Hockey Hall of Fame in 2009 and the University of Minnesota Athletic Hall of Fame in 2008. <P2-S6>  He was awarded the Legend of Hobey Baker Award in 2005 for his contributions to college hockey. <P2-S7>  He is featured in the book "Striking Silver" the untold story of America's forgotten hockey team, published by Sorts Publishing LLC in 2006 by the Caraccioli brothers <SEP> <P3-S0> John Albert "Jack" McDonald (November 24, 1921 in Swan River, Manitoba – March 13, 1990) was a professional ice hockey player who played 43 games in the National Hockey League with the New York Rangers. <P3-S1>  John McDonald was born November 24, 1921 in Swan River, Manitoba. <P3-S2>  Nicknamed Jack, a common practice of the era, McDonald was a big 6'1" 215 lbs, high-scoring left winger when he captained the Portage Terriers during the 1939-40 and 1941-42 season that won the Memorial Cup. <P3-S3>  The 1942-43 season was spent with the Flin Flon Bombers of the Saskatchewan Senior Hockey League. <P3-S4>  Jack McDonald was one of several wartime additions, joining New York Rangers for the 1943-44 season. <P3-S5>  Playing in 43 NHL games, McDonald scored a respectable 10 goals, adding 9 assists. <P3-S6>  Persuaded to play in the Western Hockey League by good friend Alex Shibicky, McDonald played up and down the west coast for the next 6 years. <P3-S7>  After his hockey career he worked for the Hudson Bay Company as a bush pilot in northern Manitoba and Ontario. <P3-S8>  A long time recreation professional Jack managed hockey rinks all over Canada. <P3-S9>  His last stop was at the Burnaby Winter Club where he and Shibicky reunited some 30 years later and coached many players that went on to NHL careers.