Show all headquarters with both a company in banking industry and a company in Oil and gas.
return headquarters ;return companies in #1 ;return industries of  #2 ;return #1 where #3 is  banking ;return #1 where #3 is  Oil and  gas ;return #1 of  both #4 and  #5
['select', 'project', 'project', 'comparative', 'comparative', 'intersection']