CREATE TABLE table_21560 ("Team" CLOB, "Outgoing manager" CLOB, "Manner of departure" CLOB, "Date of vacancy" CLOB, "Replaced by" CLOB, "Date of appointment" CLOB)

Who left a position on 29 May?
SELECT "Outgoing manager" FROM table_21560 WHERE "Date of vacancy" = '29 May'
SELECT "Outgoing manager" FROM "table_21560" WHERE "Date of vacancy" = '29 May'