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 # | CFL Team | Player | Position | College |
| --- | --- | --- | --- | --- |
| 17.0 | Hamilton Tiger-Cats | Michael Giffin | RB/ FB | Queen's |
| 18.0 | BC Lions (via Edmonton ) | Justin Shaw | DL | Manitoba |
| 19.0 | Edmonton Eskimos (via Calgary ) | Tim St. Pierre | LB | Saint Mary's |
| 20.0 | BC Lions (via Saskatchewan via Montreal ) | Jason Arakgi | LB | McMaster |
| 21.0 | Toronto Argonauts | Jean-Nicolas Carriere | LB | McGill |
| 22.0 | BC Lions | Mike McEachern | DB | Western Illinois |
Question:
How many cfl teams had pick # 21?
Answer:
1.0