CREATE TABLE table_73204 ("Date" TEXT, "Presenter" TEXT, "Guest 1" TEXT, "Guest 2" TEXT, "Guest 3" TEXT, "Guest 4" TEXT)

How many people are guest 1 on episodes where guest 4 is Des Kelly?
SELECT COUNT("Guest 1") FROM table_73204 WHERE "Guest 4" = 'Des Kelly'
SELECT COUNT("Guest 1") FROM "table_73204" WHERE "Guest 4" = 'Des Kelly'