CREATE TABLE table_47923 ("Team" CLOB, "Outgoing manager" CLOB, "Manner of departure" CLOB, "Date of vacancy" CLOB, "Replaced by" CLOB, "Date of appointment" CLOB, "Position in table" CLOB)

What is the date of appointment of outgoing manager fred rutten, who had a sacked manner of departure?
SELECT "Date of appointment" FROM table_47923 WHERE "Manner of departure" = 'sacked' AND "Outgoing manager" = 'fred rutten'
SELECT "Date of appointment" FROM "table_47923" WHERE "Manner of departure" = 'sacked' AND "Outgoing manager" = 'fred rutten'