CREATE TABLE table_name_42 (to_par VARCHAR2, country VARCHAR2, player VARCHAR2)

which To par has a Country of united states, and a Player of dave stockton?
SELECT to_par FROM table_name_42 WHERE country = "united states" AND player = "dave stockton"
SELECT "to_par" FROM "table_name_42" WHERE "country" = "united states" AND "dave stockton" = "player"