CREATE TABLE table_203_674 (id NUMBER, "name" CLOB, "mark" CLOB, "system" CLOB, "from" NUMBER, "to" NUMBER, "successor" CLOB, "notes" CLOB)

what now defunct railroad existed for the shortest time ?
SELECT "name" FROM table_203_674 ORDER BY "to" - "from" LIMIT 1
SELECT "name" FROM "table_203_674" ORDER BY "to" - "from" FETCH FIRST 1 ROWS ONLY