If there are three women in black dresses  looking at sheet music while playing the flute
return women ;return dresses of #1 ;return #1 where  #2 is black ;return sheet music ;return #3 that are looking at #4 ;return flute ;return #5 that are playing #6 ;return number of  #7 ;return if  #8 is equal to  three
['select', 'project', 'comparative', 'select', 'filter', 'select', 'filter', 'aggregate', 'boolean']