How many companies are in either "Banking" industry or "Conglomerate" industry?
return companies ;return industries of  #1 ;return #1 where  #2 is  Banking ;return #1 where  #2 is  Conglomerate ;return #3 or  #4 ;return number of #5
['select', 'project', 'comparative', 'comparative', 'union', 'aggregate']