Question: What is the official website of Tom Hanks?
SPARQL:
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?uri
WHERE
{ 
	?subject  rdfs:label 'Tom Hanks'@en .
        ?subject foaf:homepage ?uri
}