who is the powerplant and the  manufacterer  of Mcdonnell_douglas_F-15_eagle?
SELECT ?ans_1 ?ans_2 WHERE { wd:Q29251 wdt:P516 ?ans_1 . wd:Q29251 wdt:P176 ?ans_2 }
mcdonnell douglas f-15 eagle: Q29251 mcdonnell douglas f-15 eagle: Q29251