CREATE TABLE table_48860 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT)

What is Score, when Country is United States, and when Player is 'Arnold Palmer'?
SELECT "Score" FROM table_48860 WHERE "Country" = 'united states' AND "Player" = 'arnold palmer'
SELECT "Score" FROM "table_48860" WHERE "Country" = 'united states' AND "Player" = 'arnold palmer'