Which department has more than 1 head at a time? List the id, name and the number of heads.
return departments ;return heads of  #1 ;return number of  #2 for each  #1 ;return #1 where #3 is  higher than 1 ;return ids of  #4 ;return names of  #4 ;return heads of  #4 ;return number of  #7 ;return #5 ,  #6 ,   #8
['select', 'project', 'group', 'comparative', 'project', 'project', 'project', 'aggregate', 'union']