CREATE TABLE table_203_269 (id NUMBER, "season" CLOB, "competition" CLOB, "round" CLOB, "club" CLOB, "home" CLOB, "away" CLOB, "aggregate" CLOB)

how many seasons are listed ?
SELECT COUNT(DISTINCT "season") FROM table_203_269
SELECT COUNT(DISTINCT "season") FROM "table_203_269"