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_25173505_13 ( character VARCHAR, special_edition VARCHAR )

### Question ###
who is the character where the special edition is koichi sakaguchi?

### Accurate SQL ###

SELECT character FROM table_25173505_13 WHERE special_edition = "Koichi Sakaguchi"