SELECT MAX(founded) FROM table_name_6 WHERE affiliation = "private/methodist"
CREATE TABLE table_name_6 (founded INTEGER, affiliation VARCHAR)
ตั้งชื่อผู้ก่อตั้งซึ่งมีสังกัดเอกชน/เมธอด?
Name the Founded which has a Affiliation of private/methodist?