Which district has both stores with less than 3000 products and stores with more than 10000 products?
return districts ;return stores of #1 ;return products of #2 ;return number of  #3 for each #2 ;return #1 where #4 is lower than 3000 ;return #1 where #4 is higher than 10000 ;return #1 of both #5 and  #6
['select', 'project', 'project', 'group', 'comparative', 'comparative', 'intersection']