user: Question: What is the nationality of the Forward position on the Grizzlies in 2011?
Columns: ['Player', 'Nationality', 'Position', 'Years for Grizzlies', 'School/Club Team']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Brian Cardinal Category:Articles with hCards', 'United States', 'Forward', '2004-2008', 'Purdue']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Position" = 'Forward' AND "Years for Grizzlies" = '2011';