Question: What is the entered office that has 1337 as the left office?
SQL: SELECT "Entered office" FROM "2-13877-14" WHERE "Left office" = '1337';

Question: What is the born-died that has office of 13 September 1229 as the entered?
SQL: SELECT "Born-Died" FROM "2-13877-14" WHERE "Entered office" = '13 September 1229';