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:
| Season | Player | Position | Nationality | Team |
| --- | --- | --- | --- | --- |
| 2003-04 | Darrell Lewis | Guard | USA / Iceland | Grindavík |
| 2004-05 | Joshua Helm | Forward | USA | KFÍ |
| 2005-06 | A.J. Moye | Guard | USA | Keflavík |
| 2006-07 | Darrell Flake | Forward | USA / Iceland | Skallagrímur |
| 2007-08 | Darrell Flake | Forward | USA / Iceland | Skallagrímur |
| 2008-09 | Jon Stefansson | Guard | Iceland | KR |
| 2009-10 | Hlynur Baeringsson | Forward | Iceland | Snæfell |
| 2010-11 | Marcus Walker | Guard | USA | KR |
| 2011-12 | J'Nathan Bullock | Forward | USA | Grindavík |
Question:
What Nationality has the Player of Marcus Walker?
Answer:
USA