CREATE TABLE table_58711 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT)

What is To par, when Country is 'United States', and when Player is 'Mark Brooks'?
SELECT "To par" FROM table_58711 WHERE "Country" = 'united states' AND "Player" = 'mark brooks'
SELECT "To par" FROM "table_58711" WHERE "Country" = 'united states' AND "Player" = 'mark brooks'