What was obtained first, land-based Hawker fighter aircraft, or Heinkel HE 8 floatplanes?
return land-based Hawker fighter aircraft was  obtained ;return Heinkel HE 8 floatplanes was  obtained ;return when  was  #1 ;return when  was  #2 ;return which is lowest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']