Question: What film starring Selena Gomez has the trailer web link http://www.welcometohotelt.com/?
Answer(s):
answer: Hotel Transylvania

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0gs6vr)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0gs6vr ns:film.actor.film ?y .
?y ns:film.performance.film ?x .
?x ns:film.film.trailers <http://www.welcometohotelt.com/> . 
}