I was wondering why tools returned weird results, turned out that Wikidata Query (http://wdq.wmflabs.org/) hasn't been updating for a week. According to http://wdq.wmflabs.org/stats the last update is from 2015-02-08T09:14:51Z. This is a week ago.
Update: http://wdq.wmflabs.org/stats now mentions the time "2015-03-02T00:00:00Z". But most queries I try time out with "502 Bad Gateway". Could somebody please indicate the status and priority of this task? Thanks. --Fred Johansen