If a train with three windows across the front is angled so it points right.
return train ;return #1 that is angled to  point right ;return front of #2 ;return windows ;return #4 that are across #3 ;return number of  #5 ;return if  #6 is equal to  three
['select', 'filter', 'project', 'select', 'filter', 'aggregate', 'boolean']