Question: Which actress was the mother of Michael J Fox?
Answer(s):
answer: Phyllis Piper

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0hz_1)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0hz_1 ns:people.person.parents ?x .
?x ns:people.person.profession ns:m.02hrh1q . 
}