Question: Which athlete was the flag bearer for Switzerland in 2004 and 2008 summer Olympics?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Switzerland_at_the_2004_Summer_Olympics> <http://dbpedia.org/property/flagbearer> ?uri. <http://dbpedia.org/resource/Switzerland_at_the_2008_Summer_Olympics> <http://dbpedia.org/property/flagbearer> ?uri . }
Answer: The flag bearer for Switzerland in 2004 and 2008 summer Olympics is [Roger Federer].