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:
| Round | Pick | Player | Position | School/Club Team |
| --- | --- | --- | --- | --- |
| 1 | 8 | Eric Fraser | S | Central Michigan |
| 2 | 16 | Tristan Black | LB | Wayne State |
| 3 | 24 | John Hashem | OT | Regina |
| 4 | 28 | Spencer Armstrong | WR | Air Force |
| 4 | 30 | Steve Myddelton | DE | St. Francis Xavier |
| 4 | 32 | Scott McHenry | SB | Saskatchewan |
| 5 | 40 | Osie Ukwuoma | DL | Queen's |
| 6 | 48 | John Kanaroski | WR | Regina |
Question:
how many players had the position of wr according to this chart?
Answer:
2