CREATE TABLE table_72664 ("Year" FLOAT, "Dates" CLOB, "Champion" CLOB, "Country" CLOB, "Score" CLOB, "To par" CLOB, "Margin of victory" CLOB, "Purse  (  US$  ) " FLOAT, "Winners share" FLOAT)

How many dollars is the purse when the margin of victory is 8 strokes?
SELECT COUNT("Purse ( US$ )") FROM table_72664 WHERE "Margin of victory" = '8 strokes'
SELECT COUNT("Purse ( US$ )") FROM "table_72664" WHERE "Margin of victory" = '8 strokes'