human
Schema:
company (Company_ID, Rank, Company, Headquarters, Main_Industry, Sales_billion, Profits_billion, Assets_billion, Market_Value)
gas_station (Station_ID, Open_Year, Location, Manager_Name, Vice_Manager_Name, Representative_Name)
station_company (Station_ID, Company_ID, Rank_of_the_Year)
Please answer with SQL.
assistant
Sure, I understand.
human
Show all main industries for companies.
assistant
SELECT main_industry FROM company ;