CREATE TABLE table_203_133 (id NUMBER, "year" NUMBER, "japanese title" CLOB, "english title" CLOB, "role" CLOB, "network" CLOB)

how many years has it been since the first and last japanese title was made ?
SELECT MAX("year") - MIN("year") FROM table_203_133
SELECT MAX("year") - MIN("year") FROM "table_203_133"