(select
 (bgp
   (triple ?::?21 <http://xmlns.com/foaf/0.1/name> ?:name)
   (triple ?::?21
           <http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#食べる>
           ?:food))
 (?:name ?:food))