CREATE TABLE table_54015 ("Round" TEXT, "Pick" TEXT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "Team" TEXT, "College" TEXT)

Which nationality has a round of 1, and F position from Louisville?
SELECT "Nationality" FROM table_54015 WHERE "Round" = '1' AND "Position" = 'f' AND "College" = 'louisville'
SELECT "Nationality" FROM "table_54015" WHERE "College" = 'louisville' AND "Position" = 'f' AND "Round" = '1'