Question: Which battle of Khalid bin Sultan was also the conflict of Steve Buyer?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Khalid_bin_Sultan> <http://dbpedia.org/property/battles> ?uri. <http://dbpedia.org/resource/Steve_Buyer> <http://dbpedia.org/ontology/battle> ?uri}
Answer: The common battle of Khalid bin Sultan and Steve Buyer is [Gulf War].