How many objects are the same shape as the object furthest to the left?
return objects ;return #1 that  are furthest to  the   left ;return the   shape of #2 ;return the   shapes of #1 ;return #1 where #4 is  the   same as #3 ;return the   number of  #5
['select', 'filter', 'project', 'project', 'comparative', 'aggregate']