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:
| Year | Network | Play-by-play | Colour commentator(s) | Studio host |
| --- | --- | --- | --- | --- |
| 1989.0 | CBC | Bob Cole | Harry Neale and Dick Irvin, Jr. | Ron MacLean |
| 1988.0 | CBC | Bob Cole | Harry Neale | Ron MacLean |
| 1987.0 | CBC | Don Wittman | John Davidson | Brian Williams |
| 1986.0 | TSN | John Wells | Howie Meeker | Jim Van Horne |
| 1985.0 | CBC | Dick Irvin, Jr. | Howie Meeker and John Davidson | Dave Hodge |
| 1984.0 | CBC | Danny Gallivan | Dick Irvin, Jr. | Dave Hodge |
| 1983.0 | CBC | Jim Robson | Mickey Redmond | Dave Hodge |
| 1982.0 | CBC | Danny Gallivan | Dick Irvin, Jr. | Dave Hodge |
| 1981.0 | CBC | Jim Robson | Howie Meeker and Mickey Redmond | Dave Hodge |
| 1980.0 | CBC | Dan Kelly | Gary Dornhoefer and Dick Irvin, Jr. | Dave Hodge |
Question:
Which network has a play-by-play announcer of John Wells?
Answer:
TSN