CREATE TABLE table_29578 ("Year" FLOAT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Course" TEXT, "Location" TEXT, "Purse  (  $  ) " FLOAT, "Winners share  ( $ ) " FLOAT)

What was zach johnson's score to par?
SELECT "To par" FROM table_29578 WHERE "Player" = 'Zach Johnson'
SELECT "To par" FROM "table_29578" WHERE "Player" = 'Zach Johnson'