CREATE TABLE table_78575 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" FLOAT, "To par" TEXT)

Name the Score united states of tom watson in united state?
SELECT "Score" FROM table_78575 WHERE "Country" = 'united states' AND "Player" = 'tom watson'
SELECT "Score" FROM "table_78575" WHERE "Country" = 'united states' AND "Player" = 'tom watson'