Question: Name the documentary films produced by Henry Winkler.?
Answer(s):
answer: Who Are the DeBolts? And Where Did They Get Nineteen Kids?
answer: Dallas Reunion: The Return to Southfork

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.024jwt)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.024jwt ns:tv.tv_producer.programs_produced ?y .
?y ns:tv.tv_producer_term.program ?x .
?x ns:film.film.genre ns:m.0jtdp . 
}