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 | Division | League | Reg. Season | Playoffs | National Open |
| --- | --- | --- | --- | --- | --- |
| 2008.0 | 2.0 | WPSL | 5th, Big Sky - North | Did not qualify | Did not enter |
| 2009.0 | 2.0 | WPSL | 2nd, Big Sky - North | Did not qualify | Did not enter |
| 2010.0 | 2.0 | WPSL | 4th, Big Sky - North | Did not qualify | Did not enter |
| 2011.0 | 2.0 | WPSL | 3rd, Big Sky - North | Did not qualify | Runners-up |
| 2012.0 | 2.0 | WPSL | 1st, Big Sky - North | National Semifinalists | Semifinalists |
Question:
What league was involved in 2010?
Answer:
WPSL