CREATE TABLE table_30340 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Incoming manager" TEXT, "Date of appointment" TEXT)

how many managers left sunshine stars?
SELECT COUNT("Outgoing manager") FROM table_30340 WHERE "Team" = 'Sunshine Stars'
SELECT COUNT("Outgoing manager") FROM "table_30340" WHERE "Team" = 'Sunshine Stars'