Columns in subquery schema cannot be resolved

select 
  c_count, 
  count(*) as custdist 
from 
( 
  select 
    c_custkey, 
    count(o_orderkey) 
  from 
    customer left outer join 
    orders 
      on c_custkey = o_custkey and 
      o_comment not like '%special%requests%' 
  group by 
    c_custkey 

) as c_orders (c_custkey, c_count) 

group by 
	c_count 
order by 
	custdist desc, c_count desc;


ERROR: no such a column name c_count