     query = """
       START koding=node:koding("id:#{groupId}")
       MATCH koding-[:member]->members<-[:author]-content
-      WHERE content.`meta.createdAtEpoch` < #{startDate}
+      WHERE content.`meta.createdAtEpoch` < {startDate}
       """
 
     facets = @facets

    @db.query query, {}, (err, results)=>
      if err
        console.log ">>> err fetchItems", query, err
        callback err
      else
        tempRes = []
        collectContents = race (i, id, fin)=>

      START kd=node:koding("id:#{groupId}")
      MATCH kd-[:member]->users<-[r:user]-apps
      WHERE apps.name="JApp"
      and r.createdAtEpoch < {startDate}
      return users, apps, r
      order by r.createdAtEpoch DESC
      limit 20
      """

    @db.query query, {startDate}, (err, results)=>
      if err
        console.log ">>> err fetchNewInstalledApps", query, err
        return callback err
      @generateInstalledApps [], results, callback

  generateInstalledApps:(resultData, results, callback)->
