CREATE TABLE table_204_772 (id NUMBER, "team" CLOB, "county" CLOB, "wins" NUMBER, "years won" NUMBER)

what is the difference years won for crettyard and greystones
SELECT ABS((SELECT "years won" FROM table_204_772 WHERE "team" = 'crettyard') - (SELECT "years won" FROM table_204_772 WHERE "team" = 'greystones'))
SELECT ABS((SELECT "years won" FROM "table_204_772" WHERE "team" = 'crettyard') - (SELECT "years won" FROM "table_204_772" WHERE "team" = 'greystones'))