Return the number of routes with destination airport in Italy operated by the airline with name 'American Airlines'.
return routes ;return destination airports of #1 ;return #1 where #2 are in Italy ;return airlines that  #1 are operated by ;return the  name of #4 ;return #1 where #5 is  'American Airlines ;return #1 in both #3 and #6 ;return the  number of  #7
['select', 'project', 'comparative', 'project', 'project', 'comparative', 'intersection', 'aggregate']