CREATE TABLE table_16962 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Purse (  $  ) " FLOAT, "Winner" TEXT, "Score" TEXT, "1st Prize (  $  ) " FLOAT)

How many purses were there for the mar 16?
SELECT COUNT("Purse( $ )") FROM table_16962 WHERE "Date" = 'Mar 16'
SELECT COUNT("Purse( $ )") FROM "table_16962" WHERE "Date" = 'Mar 16'