CREATE TABLE table_203_391 (id NUMBER, "season" CLOB, "greek league" CLOB, "greek cup" CLOB, "europe" CLOB, "coach" CLOB, "roster" CLOB)

how many years did the greek league have a finalist ?
SELECT COUNT("season") FROM table_203_391 WHERE "greek league" = 'finalist'
SELECT COUNT("season") FROM "table_203_391" WHERE "greek league" = 'finalist'