Find the locations that have more than one movie theater with capacity above 300.
return locations ;return movie theaters in #1 ;return capacities of #2 ;return #2 where #3 is  higher than 300 ;return number of  #4 for each #1 ;return #1 where #5 is  higher than one
['select', 'project', 'project', 'comparative', 'group', 'comparative']