Question: Did SpaceX produce the Merlin engine and liquid propellant rocket engine?
Paraphrase: Was the Merlin engine and liquid propellant rocket engine produced by SpaceX?
SPARQL (Wikidata): ASK WHERE { wd:Q193701 wdt:P1056 wd:Q76148 . wd:Q193701 wdt:P1056 wd:Q860308 }