Question: What are the names of the coaches whose sports team plays in the Hilltop Park arena stadium?
Answer(s):
answer: Bill Hayes
answer: Tim Flannery
answer: Dave Righetti
answer: Carney Lansford
answer: Roberto Kelly
answer: Ron Wotus
answer: Mark Gardner

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:sports.sports_team.arena_stadium ns:m.039nhz . 
?c ns:baseball.baseball_team.current_coaches ?y .
?y ns:baseball.current_coaching_tenure.baseball_coach ?x .
}