I created this RDF restaurant description...
<rdf:Description rdf:nodeID='Nb925d432-69b1-42e0-8063-d914e3504dde'>
<rdf:type rdf:resource='http://schema.org/Restaurant'/>
<schema:name>Chez Mel</schema:name>
<schema:address>63-65 rue Saint-Vulfran</schema:address>
<schema:telephone>+33 3 22 19 48 64</schema:telephone>
<schema:description>Hearty and family-friendly restaurant.</schema:description>
</rdf:Description>
... by extracting info from the "Abbeville" Wikivoyage article, which itself points to the "Abbeville" Wikidata item.
How can I update the code above to indicate that this restaurant is in that Wikidata geographical entity?