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_47 ( race_winner VARCHAR, circuit VARCHAR )

### Question ###
Who won the race circuit of sachsenring?

### Accurate SQL ###

SELECT race_winner FROM table_name_47 WHERE circuit = "sachsenring"