CREATE TABLE company (company_id DECIMAL, rank DECIMAL, company TEXT, headquarters TEXT, main_industry TEXT, sales_billion DECIMAL, profits_billion DECIMAL, assets_billion DECIMAL, market_value DECIMAL)
CREATE TABLE station_company (station_id DECIMAL, company_id DECIMAL, rank_of_the_year DECIMAL)
CREATE TABLE gas_station (station_id DECIMAL, open_year DECIMAL, location TEXT, manager_name TEXT, vice_manager_name TEXT, representative_name TEXT)

What are the locations and representatives' names of the gas stations owned by the companies with the 3 largest amounts of assets?
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
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 NULLS LAST LIMIT 3