For each customer who has at least two orders, find the customer name and number of orders made.
return customers ;return orders  of  #1 ;return number of #2 for each #1 ;return #1 where  #3 is  at least two ;return customer  names of  #4 ;return number of #2 for each #4 ;return #5 ,   #6
['select', 'project', 'group', 'comparative', 'project', 'group', 'union']