Question: In the program with the multi-part episode "Knight of the Phoenix" who plays the voice of Kitt?
Answer(s):
answer: William Daniels

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:tv.tv_program.multipart_episodes ns:m.03cnyth . 
?c ns:tv.tv_program.regular_cast ?y .
?y ns:tv.regular_tv_appearance.actor ?x .
?y ns:tv.regular_tv_appearance.special_performance_type ns:m.02nsjvf .
?y ns:tv.regular_tv_appearance.character ns:m.05_bhx .
}