Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Pick # | Player | Position | Nationality | NHL team | College/junior/club team |
| --- | --- | --- | --- | --- | --- |
| 49.0 | Andre St. Laurent | Centre | Canada | New York Islanders | Montreal Junior Canadiens (QMJHL) |
| 50.0 | Ron Serafini | Defence | United States | California Golden Seals | St. Catharines Black Hawks (OHA) |
| 51.0 | Keith Mackie | Defence | United Kingdom Canada | Vancouver Canucks | Edmonton Oil Kings (WCHL) |
| 52.0 | Frank Rochon | Left Wing | Canada | Toronto Maple Leafs | Sherbrooke Castors (QMJHL) |
| 53.0 | Dean Talafous | Centre | United States | Atlanta Flames | University of Wisconsin (NCAA) |
| 54.0 | Jim McCrimmon | Defence | Canada | Los Angeles Kings | Medicine Hat Tigers (WCHL) |
| 55.0 | Dennis Owchar | Defence | Canada | Pittsburgh Penguins | Toronto Marlboros (OHA) |
| 56.0 | Alan Hangsleben | Defence | United States | Montreal Canadiens | University of North Dakota (NCAA) |
| 57.0 | Tom Colley | Centre | Canada | Minnesota North Stars | Sudbury Wolves (OHA) |
| 58.0 | Dale Cook | Left Wing | Canada | Philadelphia Flyers | Victoria Cougars (WCHL) |
| 59.0 | Mike Korney | Defence | Canada | Detroit Red Wings | Winnipeg Jets (WCHL) |
| 60.0 | Yvon Dupuis | Right Wing | Canada | Buffalo Sabres | Quebec Remparts (QMJHL) |
| 61.0 | Dave Elliott | Left Wing | Canada | Chicago Black Hawks | Winnipeg Jets (WCHL) |
| 62.0 | Brian Molvik | Defence | Canada | New York Rangers | Calgary Centennials (WCHL) |
| 63.0 | Steve Langdon | Left Wing | Canada | Boston Bruins | London Knights (OHA) |
| 64.0 | Richard Latulippe | Centre | Canada | Montreal Canadiens | Quebec Remparts (QMJHL) |
Question:
How many nationalities does Tom Colley have?
Answer:
1.0