SELECT Name FROM company ORDER BY Sales_in_Billion ASC
List the names of companies by ascending number of sales.
[Schema (values) (types)]: | company_employee |  people : people_id (text) , age (number) , name (number) , nationality (text) , graduation_college (text) | company : company_id (text) , name (number) , headquarters (number) , industry (text) , sales_in_billion (text) , profits_in_billion (text) , assets_in_billion (number) , market_value_in_billion (text) | employment : company_id (text) , people_id (number) , year_working (number);