Question: WHo is the father of the person known for having  Myelodysplastic syndrome?
Answer(s):
answer: Lawrence E. Roberts

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:medicine.notable_person_with_medical_condition.condition ns:m.019gky . 
?c ns:people.person.parents ?x .
?x ns:people.person.gender ns:m.05zppz .
}