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_7 (vin_code VARCHAR, compression_ratio VARCHAR)

### Question ###
Tell me the VIN code for compression ratio of 10.50:1

### Accurate SQL ###

SELECT vin_code FROM table_name_7 WHERE compression_ratio = "10.50:1"