Someone

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.*$")
        ?s        ?titleProp            ?titleVal ;
                  <http://schemas.talis.com/2006/recordstore/schema#active>  "true" .
        ?titleProp  <http://schemas.talis.com/2006/recordstore/schema#sequence>  "1" .
        OPTIONAL
          { ?rp  <http://schemas.talis.com/2006/recordstore/schema#restrictedRoles>  ?role .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#summary>  ?summary .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#location>  ?location .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#dtend>  ?end .}
      }
    UNION
      { ?rp   <http://schemas.talis.com/2006/recordstore/schema#fieldType>  "CALENDAR" .
        ?s    ?rp                   ?rpv .
        ?rpv  <http://www.w3.org/2002/12/cal#dtstart>  ?start ;
              <http://www.w3.org/2002/12/cal#dtend>  ?end .
        FILTER str(( ?start < "200706" ))
        FILTER str(( ?end > "200706" ))
        ?s        ?titleProp            ?titleVal ;
                  <http://schemas.talis.com/2006/recordstore/schema#active>  "true" .
        ?titleProp  <http://schemas.talis.com/2006/recordstore/schema#sequence>  "1" .
        OPTIONAL
          { ?rp  <http://schemas.talis.com/2006/recordstore/schema#restrictedRoles>  ?role .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#summary>  ?summary .}
     OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#location>  ?location .}
      }
    UNION
      { ?rp   <http://schemas.talis.com/2006/recordstore/schema#fieldType>  "CALENDAR" .
        ?s    ?rp                   ?rpv .
        ?rpv  <http://www.w3.org/2002/12/cal#dtend>  ?end .
        FILTER regex(?end, "^200706.*$")
        ?s        ?titleProp            ?titleVal ;
                  <http://schemas.talis.com/2006/recordstore/schema#active>  "true" .
        ?titleProp  <http://schemas.talis.com/2006/recordstore/schema#sequence>  "1" .
        OPTIONAL
          { ?rp  <http://schemas.talis.com/2006/recordstore/schema#restrictedRoles>  ?role .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#summary>  ?summary .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#location>  ?location .}
        OPTIONAL
          { ?rpv  <http://www.w3.org/2002/12/cal#dtstart>  ?start .}
      }
  }