CREATE TABLE table_48298 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT)

Which To par has a Country of united states, and a Player of duffy waldorf?
SELECT "To par" FROM table_48298 WHERE "Country" = 'united states' AND "Player" = 'duffy waldorf'
SELECT "To par" FROM "table_48298" WHERE "Country" = 'united states' AND "Player" = 'duffy waldorf'