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 | Regular Season | Playoffs | Open Cup | Avg. Attendance |
| --- | --- | --- | --- | --- | --- | --- |
| 1994.0 | 3.0 | USISL | 7th, Midwest | Did not qualify | Did not enter | 67.0 |
| 1995.0 | 4.0 | USISL Premier League | 3rd, Central | 4th Place | Did not qualify | 234.0 |
| 1996.0 | 4.0 | USISL Premier League | 5th, Southern | Conference Semifinals | Did not qualify | 806.0 |
| 1997.0 | 4.0 | USISL PDSL | 3rd, Central | Conference Quarterfinals | Did not qualify | 576.0 |
| 1998.0 | 4.0 | USISL PDSL | 2nd, Central | 3rd Place | Did not qualify | 789.0 |
| 1999.0 | 4.0 | USL PDL | 4th, Heartland | Did not qualify | Did not qualify | 1226.0 |
| 2000.0 | 4.0 | USL PDL | 3rd, Heartland | Did not qualify | Did not qualify | 2356.0 |
| 2001.0 | 4.0 | USL PDL | 2nd, Heartland | 3rd Place | Did not qualify | 2626.0 |
| 2002.0 | 4.0 | USL PDL | 1st, Heartland | Conference Semifinals | 2nd Round | 4402.0 |
| 2003.0 | 4.0 | USL PDL | 2nd, Heartland | Conference Semifinals | 1st Round | 3971.0 |
| 2004.0 | 4.0 | USL PDL | 3rd, Heartland | Did not qualify | Did not qualify | 4415.0 |
| 2005.0 | 4.0 | USL PDL | 2nd, Heartland | National Champions | 4th Round | 4112.0 |
| 2006.0 | 4.0 | USL PDL | 2nd, Heartland | Conference Semifinals | 3rd Round | 3927.0 |
| 2007.0 | 4.0 | USL PDL | 4th, Heartland | Did not qualify | Did not qualify | 3589.0 |
| 2008.0 | 4.0 | USL PDL | 3rd, Heartland | Did not qualify | Did not qualify | 3364.0 |
| 2009.0 | 4.0 | USL PDL | 1st, Heartland | Conference Finals | Did not qualify | 3837.0 |
| 2010.0 | 4.0 | USL PDL | 4th, Heartland | Did not qualify | 1st Round | 3488.0 |
| 2011.0 | 4.0 | USL PDL | 2nd, Heartland | Conference Semifinals | 1st Round (*) | 3372.0 |
| 2012.0 | 4.0 | USL PDL | 3rd, Heartland | Did not qualify | Did not qualify | 3474.0 |
Question:
What League was played in 2007?
Answer:
USL PDL