user: Question: What was the nationality of a Point guard position in 1999-2001?
Columns: ['Player', 'Nationality', 'Position', 'Years for Grizzlies', 'School/Club Team']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Scott Padgett', 'United States', 'Forward', '2007', 'Kentucky']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Position" = 'Point guard' AND "Years for Grizzlies" = '1999-2001';