Table: grizzlies_roster_4
Columns: player
nationality
position
years_for_grizzlies
school_club_team

Question: What nationality is Kentucky and the player Tayshaun Prince?
SQL: SELECT "nationality" FROM grizzlies_roster_4 WHERE "school_club_team" = 'kentucky' AND "player" = 'tayshaun prince'

Question: What is the nationality of Duke?
SQL: SELECT "nationality" FROM grizzlies_roster_4 WHERE "school_club_team" = 'duke'

Question: What was the nationality of a point guard position in 1999-2001?
SQL: SELECT "nationality" FROM grizzlies_roster_4 WHERE "position" = 'point guard' AND "years_for_grizzlies" = '1999-2001'

Question: What is the position of Tayshaun Prince?
SQL: SELECT "position" FROM grizzlies_roster_4 WHERE "player" = 'tayshaun prince'