CONSTRUCT
  { ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schemas.talis.com/2006/recordstore/schema#Record> .
    ?s <http://schemas.talis.com/2006/recordstore/schema#titleProperty> ?titleVal .
    ?s <http://www.w3.org/2002/12/cal#Vevent> ?rpv .
    ?s <http://schemas.talis.com/2006/recordstore/schema#active> "true" .
    ?rpv <http://www.w3.org/2002/12/cal#dtstart> ?start .
    ?rpv <http://www.w3.org/2002/12/cal#dtend> ?end .
    ?rpv <http://www.w3.org/2002/12/cal#summary> ?summary .
    ?rpv <http://www.w3.org/2002/12/cal#location> ?location .
    ?rpv <http://schemas.talis.com/2006/recordstore/schema#restrictedRoles> ?role .}
FROM <http://api.talis.com/stores/engagetenant6/meta>
FROM <http://api.talis.com/stores/engagetenant6/meta/graphs/dp1>
WHERE
  {   
      { ?rp   <http://schemas.talis.com/2006/recordstore/schema#fieldType>  "CALENDAR" .
        ?s    ?rp                   ?rpv .
        ?rpv  <http://www.w3.org/2002/12/cal#dtstart>  ?start 
        FILTER regex(?start, "^200706.*$")
foofoofoofoofoofoofoofoofoofoofoofoofoofoofoo
      } 
  }