CREATE TABLE table_28801 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Position in table" TEXT, "Incoming manager" TEXT, "Date of appointment" TEXT)

How many incoming managers did Burnley have?
SELECT COUNT("Incoming manager") FROM table_28801 WHERE "Team" = 'Burnley'
SELECT COUNT("Incoming manager") FROM "table_28801" WHERE "Team" = 'Burnley'