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)

when ian holloway left plymouth argyle , what was his/her manner of departure ?
SELECT "manner of departure" FROM table_203_156 WHERE "team" = 'plymouth argyle' AND "outgoing manager" = 'ian holloway'
SELECT "manner of departure" FROM "table_203_156" WHERE "outgoing manager" = 'ian holloway' AND "team" = 'plymouth argyle'