CREATE TABLE table_name_89 (nationality VARCHAR, position VARCHAR, years_for_grizzlies VARCHAR)

What was the nationality of a point guard position in 1999-2001?
SELECT nationality FROM table_name_89 WHERE position = "point guard" AND years_for_grizzlies = "1999-2001"
SELECT "nationality" FROM "table_name_89" WHERE "1999-2001" = "years_for_grizzlies" AND "point guard" = "position"