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 company (company VARCHAR, rank VARCHAR, Sales_billion VARCHAR)

### Question ###
List the company name and rank for all companies in the decreasing order of their sales.

### Accurate SQL ###

SELECT company, rank FROM company ORDER BY Sales_billion DESC