What is the home town of the Band which is the previous work of Sammy Hagar & Friends ?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Sammy_Hagar_&_Friends> <http://dbpedia.org/ontology/previousWork> ?x . ?x <http://dbpedia.org/ontology/hometown> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Band>}
Sammy_Hagar_&_Friends