Question: Who played the parent of David Marcus in Star Trek movie?
Answer(s):
answer: William Shatner

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.077kc8 . 
?c ns:film.film_character.portrayed_in_films ?y .
?y ns:film.performance.actor ?x .
?y ns:film.performance.film ns:m.06qyw .
}