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:
| Nat. | Name | Moving from | Type | Transfer window | Ends | Transfer fee | Source |
| --- | --- | --- | --- | --- | --- | --- | --- |
| DNK | D. Jensen | Youth system | Promoted | Summer | 2011.0 | Youth system | FCK.dk |
| DNK | Albrechtsen | Youth system | Promoted | Summer | 2010.0 | Youth system | FCK.dk |
| DNK | Bertolt | Viborg | End of loan | Summer | 2009.0 | n/a | FCK.dk |
| DNK | Kristensen | Nordsjælland | Transfer | Summer | 2012.0 | Undisclosed | FCK.dk |
| BRA | Santin | Kalmar FF | Transfer | Summer | 2013.0 | DKK 15,000,000 | FCK.dk |
| SWE | Larsson | Halmstads BK | Transfer | Summer | 2013.0 | DKK 15,000,000 | FCK.dk |
| SWE | Wiland | IF Elfsborg | Transfer | Winter | 2013.0 | DKK 8,000,000 | FCK.dk |
| DNK | Vingaard | Esbjerg | Transfer | Winter | 2012.0 | DKK 8,000,000 | FCK.dk |
| SEN | N'Doye | OFI | Transfer | Winter | 2013.0 | DKK 15,000,000 | FCK.dk |
Question:
What is the transfer window for larsson?
Answer:
Summer