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:
| Team | Stadium | Capacity | Highest | Lowest | Average |
| --- | --- | --- | --- | --- | --- |
| Dundee | Dens Park | 11856.0 | 6192.0 | 3146.0 | 4264.0 |
| Dunfermline Athletic | East End Park | 11998.0 | 4946.0 | 2444.0 | 3754.0 |
| St. Johnstone | McDiarmid Park | 10673.0 | 6279.0 | 1686.0 | 2969.0 |
| Greenock Morton | Cappielow | 5741.0 | 3818.0 | 2228.0 | 2727.0 |
| Partick Thistle | Firhill Stadium | 10887.0 | 4914.0 | 1149.0 | 2591.0 |
| Hamilton Academical | New Douglas Park | 5396.0 | 5078.0 | 1410.0 | 2468.0 |
| Queen of the South | Palmerston Park | 6412.0 | 3005.0 | 1484.0 | 1965.0 |
| Livingston | Almondvale Stadium | 10016.0 | 2865.0 | 1125.0 | 1726.0 |
| Clyde | Broadwood Stadium | 8006.0 | 1979.0 | 910.0 | 1298.0 |
Question:
What is the highest attendance at a game played by St. Johnstone?
Answer:
6279.0