find the location and Representative name of the gas stations owned by the companies with top 3 Asset amounts.
SELECT T3.location ,  T3.Representative_Name FROM station_company AS T1 JOIN company AS T2 ON T1.company_id  =  T2.company_id JOIN gas_station AS T3 ON T1.station_id  =  T3.station_id ORDER BY T2.Assets_billion DESC LIMIT 3
top 3 Asset amounts refers to ORDER BY Assets_billion DESC LIMIT 3; location and Representative name of the gas stations refers to SELECT location, Representative_Name; owned by the companies refers to JOIN between station_company and company tables, and then JOIN with gas_station table;