CREATE TABLE table_46474 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT, "Money  (  $  ) " FLOAT)

What is the to par of the player from the United States with a t6 place and a score of 70-73-68-73=284?
SELECT "To par" FROM table_46474 WHERE "Country" = 'united states' AND "Place" = 't6' AND "Score" = '70-73-68-73=284'
SELECT "To par" FROM "table_46474" WHERE "Country" = 'united states' AND "Place" = 't6' AND "Score" = '70-73-68-73=284'