What are the locations and representatives' names of the gas stations owned by the companies with the 3 largest amounts of assets?
return companies ;return amounts of assets of  #1 ;return the  3 highest of #2 ;return #1 where #2 is equal to any of #3 ;return gas stations owned by #4 ;return locations of #5 ;return representatives of #5 ;return names of #7 ;return #6 ,  #8
['select', 'project', 'aggregate', 'comparative', 'project', 'project', 'project', 'project', 'union']