CREATE TABLE table_73624 ("Year" FLOAT, "Tournament" TEXT, "Winner" TEXT, "Margin of victory" TEXT, "Winners share  (  $  ) " FLOAT, "Par" FLOAT, "Course length" TEXT)

When 1999 is the year how many tournaments are there?
SELECT COUNT("Tournament") FROM table_73624 WHERE "Year" = '1999'
SELECT COUNT("Tournament") FROM "table_73624" WHERE "Year" = '1999'