Question: Find the star or Motown 25: Yesterday, Today, Forever, what type of special diet do they have?
Answer(s):
answer: Vegetarian food

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:film.actor.film ?k .
?k ns:film.performance.film ns:m.05f5tq . 
?c ns:food.diet_follower.follows_diet ?x .
}