user: Question: What nationality is the Guard from UCLA?
Columns: ['Player', 'Nationality', 'Position', 'From', 'School/Country']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: [', John Fairchild', 'United States', 'Forward', '1965', 'BYU']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Position" = 'Guard' AND "School/Country" = 'UCLA';