CREATE TABLE table_27650 ("Letters" CLOB, "Organization" CLOB, "Nickname" CLOB, "Founding Date" CLOB, "Founding University" CLOB, "Type" CLOB)

What is the founding date if the letters are ?
SELECT "Founding Date" FROM table_27650 WHERE "Letters" = 'ΚΨΚ'
SELECT "Founding Date" FROM "table_27650" WHERE "Letters" = 'ΚΨΚ'