What type of engine powered the first generation of Spitfire fighters in the 1930's ?
what type of engine powered the first generation of spitfire fighters in the 1930's 
FreebaseQA-train-17553.P0 FreebaseQA-train-17553.P1
spitfire spitfire
supermarine spitfire supermarine spitfire
m.079zm m.079zm
aviation.aircraft_model.engine_type base.engineeringdraft.manufactured_component.meronyms
m.09qx4
rolls-royce merlin
m.09qx4
rolls-royce merlin