How many member teams are in the hockey league which Murray Williamson played, coached, and managed within?
United States Hockey League The United States Hockey League (USHL) is the top junior ice hockey league in the United States. The USHL has 17 member teams located in the Midwestern United States, consisting of players who are 20 years of age and younger. The USHL is strictly amateur, allowing former players to compete in NCAA college hockey.
1986–87 BHL season The 1986–87 BHL season was the fifth season of the British Hockey League, the top level of ice hockey in Great Britain. 10 teams participated in the league, and the Murrayfield Racers won the league title by finishing first in the regular season. The Durham Wasps were playoff champions.