CREATE TABLE table_203_156 (id DECIMAL, "team" TEXT, "outgoing manager" TEXT, "manner of departure" TEXT, "date of vacancy" TEXT, "replaced by" TEXT, "date of appointment" TEXT, "position in table" TEXT)

how many times was the date of appointment in the month of november ?
SELECT COUNT(*) FROM table_203_156 WHERE "date of appointment" = 11
SELECT COUNT(*) FROM "table_203_156" WHERE "date of appointment" = 11