Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_203_133 ( id number, "year" number, "japanese title" text, "english title" text, "role" text, "network" text )

### Question ###
which year 's were the most japanese titles produced ?

### Accurate SQL ###

SELECT "year" FROM table_203_133 GROUP BY "year" HAVING COUNT("japanese title") = (SELECT COUNT("japanese title") FROM table_203_133 GROUP BY "year" ORDER BY COUNT("japanese title") DESC LIMIT 1)