Question: who is the powerplant and the  manufacterer  of Mcdonnell_douglas_F-15_eagle?
Paraphrase: Who manufactured Mcdonnell_douglas_F-15_eagle?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q29251 wdt:P516 ?ans_1 . wd:Q29251 wdt:P176 ?ans_2 }
Answer: Pratt & Whitney F100, Boeing, Pratt & Whitney F100, McDonnell Douglas