CREATE TABLE table_203_665 (id NUMBER, "name" CLOB, "municipality" CLOB, "established" NUMBER, "tower height\ in meters  ( ft ) " CLOB, "focal plane\ in meters  ( ft ) " CLOB, "current status" CLOB, "current condition" CLOB)

the difference in years from 1882 to 1889
SELECT 1889 - 1882
SELECT 7