What are the number of international and domestic passengers of the airport named London "Heathrow"?
return airports ;return #1 named London Heathrow ;return international passengers of #2 ;return number of  #3 ;return domestic passengers of #2 ;return number of  #5 ;return #4 ,  #6
['select', 'filter', 'project', 'aggregate', 'project', 'aggregate', 'union']