If all storage units pictured are footed, and one has two sliding wooden doors in the base and an open-backed hutch on top.
return storage units ;return #1 that are footed ;return number of  #1 ;return number of  #2 ;return if  #4 is equal to  #3 ;return base of #2 ;return sliding doors of #2 ;return #7 that are wooden ;return #8 in  #6 ;return number of  #9 for each  #2 ;return #2 where  #10 is equal to  two ;return hutch ;return #12 that is open-backed ;return #13 on top of #11 ;return #11 with #14 ;return number of  #15 ;return if  #16 is equal to  one ;return if  both  #5 and #17 are true
['select', 'filter', 'aggregate', 'aggregate', 'boolean', 'project', 'project', 'filter', 'filter', 'group', 'comparative', 'select', 'filter', 'filter', 'filter', 'aggregate', 'boolean', 'boolean']