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_15040_8 (french VARCHAR, german VARCHAR)

### Question ###
What is the French word where the German word is filtern?

### Accurate SQL ###

SELECT french FROM table_15040_8 WHERE german = "filtern"