Question: Which fictional character does Sally Draper's parent get engaged to?
Answer(s):
answer: Betty Draper

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:fictional_universe.fictional_character.children ns:m.04ktj18 . 
?c ns:fictional_universe.fictional_character.married_to ?y .
?y ns:fictional_universe.marriage_of_fictional_characters.spouses ?x .
}