Question: What did Isaac Newton invent or discover?
Answer(s):
answer: Reflecting telescope
answer: Pet door

SPARQL query:
#MANUAL SPARQL
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
	{ 
	  ns:m.03s9v ns:base.argumentmaps.innovator.original_ideas ?x .
	}
	UNION
	{
	  ns:m.03s9v ns:law.inventor.inventions ?x .
	}?x ns:law.invention.inventor ns:m.03s9v . 
}