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_name_9 (category VARCHAR, year VARCHAR, nominated_work VARCHAR)

### Question ###
Which category was the berlin file up to win in 2013?

### Accurate SQL ###

SELECT category FROM table_name_9 WHERE year = 2013 AND nominated_work = "the berlin file"