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:
| Finished | Horse | Jockey | Trainer | Owner | Time / behind |
| --- | --- | --- | --- | --- | --- |
| 1st | Spokane | Tom Kiley | John Rodegap | Noah Armstrong | 2:34.50 |
| 2nd | Proctor Knott | S. Barnes |  | Scoggan & Bryant | Nose |
| 3rd | Once Again | Isaac Murphy |  | Milton Young | 2 |
| 4th | Hindoocraft | Armstrong |  | Scoggan Bros. | 1 |
| 5th | Cassius | F. Taral |  | Beverwyck Stable | 1 |
| 6th | Sportsman | I. Lewis |  | J.K. Megibben & Co. | 1/2 |
| 7th | Outbound | Hollis |  | Fleetwood Stable |  |
| 8th | Bootmaker | Warwick |  | Wilson & Young |  |
Question:
what is the total number of trainers listed?
Answer:
1