Question: Was Duanne Allman famous for playing the Gibson SG?
SPARQL query: ASK WHERE { <http://dbpedia.org/resource/Duane_Allman> <http://dbpedia.org/property/notableInstruments> <http://dbpedia.org/resource/Gibson_SG> }
Answer: [Yes], Gibson SG is the famous instrument Duane Allman was playing.