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:
| Track Name | Location | Length | Sanction | Program |
| --- | --- | --- | --- | --- |
| Belleville Enduro Team | Belleville, Illinois | Multiple tracks | AMA | Various programs throughout the year |
| Motosports Park | Byron, Illinois | Multiple Tracks | AMA | Various programs throughout the year |
| Lincoln Trail Motosports | Casey, Illinois | Multiple tracks | AMA | Various programs throughout the year |
| South Fork Dirt Riders | Taylorville, Illinois | Multiple Tracks | AMA | Various programs throughout the year |
| Triple R Motocross | Nashville, Illinois | Multiple tracks | AMA | Various programs throughout the year |
Question:
What was the sanction of the event at Nashville, Illinois?
Answer:
AMA