CREATE TABLE table_46481 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" FLOAT, "To par" TEXT)

What was the score for the player from the United states that was +1 to par?
SELECT "Score" FROM table_46481 WHERE "To par" = '+1' AND "Country" = 'united states'
SELECT "Score" FROM "table_46481" WHERE "Country" = 'united states' AND "To par" = '+1'