Question: Is Roger Federer the flagbearer of Switzerland at the 2004 Summer Olympics?
SPARQL query: ASK WHERE { <http://dbpedia.org/resource/Switzerland_at_the_2004_Summer_Olympics> <http://dbpedia.org/property/flagbearer> <http://dbpedia.org/resource/Roger_Federer> }
Answer: [Yes], Roger Federer is the flagbearer of Switzerland at the 2004 Summer Olympics.