which country gave birth to the general electric lm6000 and pratt & whitney r-2800 double wasp aircrafts ?
SELECT DISTINCT var_uri where brack_open dbr_General_Electric_LM6000 dbp_nationalOrigin var_uri sep_dot dbr_Pratt_&_Whitney_R-2800_Double_Wasp dbp_nationalOrigin var_uri brack_close