which To par has a Country of united states, and a Player of dave stockton?
CREATE TABLE table_13147 (
    "Player" text,
    "Country" text,
    "Year(s) won" text,
    "Total" real,
    "To par" text,
    "Finish" text
)
SELECT "To par" FROM table_13147 WHERE "Country" = 'united states' AND "Player" = 'dave stockton'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: which To par has a Country of united states, and a Player of dave stockton? ### Input: CREATE TABLE table_13147 (
    "Player" text,
    "Country" text,
    "Year(s) won" text,
    "Total" real,
    "To par" text,
    "Finish" text
) ### Response: SELECT "To par" FROM table_13147 WHERE "Country" = 'united states' AND "Player" = 'dave stockton'