CREATE TABLE table_29459 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Replaced by" TEXT, "Date of appointment" TEXT, "Position in table" TEXT)

Who was the outgoing manager of the team in 15th position that was sacked?
SELECT "Outgoing manager" FROM table_29459 WHERE "Manner of departure" = 'Sacked' AND "Position in table" = '15th'
SELECT "Outgoing manager" FROM "table_29459" WHERE "Manner of departure" = 'Sacked' AND "Position in table" = '15th'