Question: Who did Steven Spurrier play pro football for that has a mascot called Sourdough Sam?
Answer(s):
answer: San Francisco 49ers

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.03yx01)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.03yx01 ns:sports.pro_athlete.teams ?y .
?y ns:sports.sports_team_roster.team ?x .
?x ns:common.topic.notable_types ns:m.044801x .
?x ns:sports.sports_team.team_mascot ns:m.09m05x . 
}