CREATE TABLE table_203_156 (id NUMBER, "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 are the number of times the date of vacancy was in october ?
SELECT COUNT(*) FROM table_203_156 WHERE "date of vacancy" = 10
SELECT COUNT(*) FROM "table_203_156" WHERE "date of vacancy" = 10