could you please give me information concerning american airlines a flight from washington dc to philadelphia the earliest one in the morning as possible 
return flights ;return #1 of american airlines ;return #2 from  washington dc ;return #3 to philadelphia ;return #4 in the morning ;return earliness of #5 ;return #5 where #6 is  earliest ;return information of #7
['select', 'filter', 'filter', 'filter', 'filter', 'project', 'comparative', 'project']