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:
| DVD Name | Ep # | Region 1 | Region 2 (Scandinavia) | Region 2 (UK) | Region 4 | Special features |
| --- | --- | --- | --- | --- | --- | --- |
| The Fourth Season | 34.0 | April 15, 2008 | March 11, 2009 | March 22, 2010 | April 2, 2009 | None |
| The Fifth Season (Volume One) | 19.0 | February 10, 2009 | N/A | N/A | N/A | None |
| The Fifth Season (Volume Two) | 15.0 | November 24, 2009 | N/A | N/A | N/A | None |
| The Complete Fifth Season | 34.0 | N/A | March 24, 2010 | June 21, 2010 | April 1, 2010 | None |
| The Sixth Season (Volume One) | 13.0 | May 3, 2011 | N/A | N/A | N/A | None |
| The Sixth Season (Volume Two) | 14.0 | July 19, 2011 | N/A | N/A | N/A | None |
| The Seventh Season (Volume One) | 18.0 | July 31, 2012 | N/A | N/A | N/A | None |
Question:
Name the region 1 for episode number 13
Answer:
May 3, 2011