Show the studios that have produced films with director "Nicholas Meyer" and "Walter Hill".
return studios ;return films of  #1 ;return directors of  #2 ;return #1 where #3 is  Nicholas Meyer ;return #1 where #3 is  Walter Hill ;return #1 of  both #4 and  #5
['select', 'project', 'project', 'comparative', 'comparative', 'intersection']