If there are black fish with a white spot swimming around the reef
return fish ;return #1 that are black ;return spot of #2 ;return #2 where  #3 are white ;return reef ;return #4 that are swimming around #5 ;return number of  #6 ;return if  #7 is at least two
['select', 'filter', 'project', 'comparative', 'select', 'filter', 'aggregate', 'boolean']