what flights can i take between boston and atlanta so that when i leave boston i will have the maximum amount of time on the ground in atlanta and still return in the same day 
return flights ;return #1 from  boston  ;return #2 to atlanta  ;return #1 from  atlanta  ;return #2 to boston  ;return times of #3 ;return times of #5 ;return #3 where #6 is lowest ;return #5 where #7 is highest ;return #8 ,  #9
['select', 'filter', 'filter', 'filter', 'filter', 'project', 'project', 'superlative', 'superlative', 'union']