machine_question: what happened to dunkirk during ww2 and is the event ended before 1945-05-08
question: What happened in Dunkirk during WWII that ended on 05/08/1945?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.0md6f)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.0md6f ns:location.location.events ?x .
  ?x ns:time.event.included_in_event ns:m.081pw .
  ?x ns:time.event.end_date ?num .
  FILTER (?num < "1945-05-08"^^xsd:dateTime) . 
  }
webqsp_question: what happened to dunkirk during ww2