If there is one oval shaped sink and one rectangle shaped sink attached to the wall.
return sinks ;return wall ;return #1 that are attached to  #2 ;return #3 that is oval shaped  ;return #3 that is rectangle shaped  ;return number of  #4 ;return number of  #5 ;return if  #6 is equal to  one ;return if  #7 is equal to  one ;return if  both  #8 and #9 are true
['select', 'select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']