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_38 (vin_code VARCHAR)

### Question ###
What's the compression ratio when the vin code is c?

### Accurate SQL ###

SELECT "c" AS ompression_ratio FROM table_name_38 WHERE vin_code = "c"