CREATE TABLE table_16188 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Replaced by" TEXT, "Date of appointment" TEXT, "Position in table" TEXT)

What is the date of vacancy when the date of appointment is 28 november 2007 and replaced by is alex mcleish?
SELECT "Date of vacancy" FROM table_16188 WHERE "Date of appointment" = '28 November 2007' AND "Replaced by" = 'Alex McLeish'
SELECT "Date of vacancy" FROM "table_16188" WHERE "Date of appointment" = '28 November 2007' AND "Replaced by" = 'Alex McLeish'