How many different college/junior/club teams provided a player to the Washington Capitals NHL Team?
{'header': ['Pick', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team'], 'page_title': '1994 NHL Entry Draft', 'section_title': 'Round two', 'caption': 'Round two', 'rows': [['27', 'Rhett Warrener', 'Defence', 'Canada', 'Florida Panthers', 'Saskatoon Blades (WHL)'], ['28', 'Johan Davidsson', 'Left Wing', 'Sweden', 'Mighty Ducks of Anaheim', 'HV71 (Sweden)'], ['29', 'Stanislav Neckar', 'Defence', 'Czech Republic', 'Ottawa Senators', 'HC České Budějovice ( Czech Republic )'], ['30', 'Deron Quint', 'Defence', 'United States', 'Winnipeg Jets', 'Seattle Thunderbirds (WHL)'], ['31', 'Jason Podollan', 'Right Wing', 'Canada', 'Florida Panthers', 'Spokane Chiefs (WHL)'], ['32', 'Mike Watt', 'Left Wing', 'Canada', 'Edmonton Oilers', 'Stratford Cullitons (MOJHL)'], ['33', 'Matt Johnson', 'Left Wing', 'Canada', 'Los Angeles Kings', 'Peterborough Petes (OHL)'], ['34', 'Colin Cloutier', 'Centre', 'Canada', 'Tampa Bay Lightning', 'Brandon Wheat Kings (WHL)'], ['35', 'Josef Marha', 'Centre', 'Czech Republic', 'Quebec Nordiques', 'Dukla Jihlava (Czech Republic)'], ['36', 'Ryan Johnson', 'Centre', 'Canada', 'Florida Panthers', 'Thunder Bay Flyers (USHL)'], ['37', 'Angel Nikolov', 'Defence', 'Russia', 'San Jose Sharks', 'HC Litvínov (Czech Republic)'], ['38', 'Jason Holland', 'Defence', 'Canada', 'New York Islanders', 'Kamloops Blazers (WHL)'], ['39', 'Robb Gordon', 'Centre', 'Canada', 'Vancouver Canucks', 'Powell River Kings (BCJHL)'], ['40', 'Jean-Yves Leroux', 'Left Wing', 'Canada', 'Chicago Blackhawks', 'Beauport Harfangs (QMJHL)'], ['41', 'Scott Cherrey', 'Left Wing', 'Canada', 'Washington Capitals', 'North Bay Centennials (OHL)'], ['42', 'Dave Scatchard', 'Centre', 'Canada', 'Vancouver Canucks', 'Portland Winter Hawks (WHL)'], ['43', 'Curtis Brown', 'Center', 'Canada', 'Buffalo Sabres', 'Moose Jaw Warriors (WHL)'], ['44', 'Jose Theodore', 'Goaltender', 'Canada', 'Montreal Canadiens', 'Saint-Jean Lynx (QMJHL)'], ['45', 'Dimitri Riabykin', 'Defence', 'Russia', 'Calgary Flames', 'Moscow Dynamo (Russia)'], ['46', 'Lee Jinman', 'Centre', 'Canada', 'Dallas Stars', 'North Bay Centennials (OHL)'], ['47', 'Daniel Goneau', 'Left Wing', 'Canada', 'Boston Bruins', 'Laval Titan (QMJHL)'], ['48', 'Sean Haggerty', 'Left Wing', 'United States', 'Toronto Maple Leafs', 'Detroit Junior Red Wings (OHL)'], ['49', 'Mathieu Dandenault', 'Right Wing', 'Canada', 'Detroit Red Wings', 'Sherbrooke Faucons (QMJHL)'], ['50', 'Richard Park', 'Centre', 'United States', 'Pittsburgh Penguins', 'Belleville Bulls (OHL)'], ['51', 'Patrik Elias', 'Left Wing', 'Czech Republic', 'New Jersey Devils', 'HC Kladno (Czech Republic)'], ['52', 'Rudolf Vercik', 'Left Wing', 'Slovakia', 'New York Rangers', 'HC Slovan Bratislava ( Slovakia )']]}