query: #title: Check correspondence between the year in the identifier and the year of the event
  # Complex constraint from [[Property talk:P502]]
  # Check when the ID contain the year
  SELECT ?item {
    ?item wdt:P502 ?value.
    ?item wdt:P580 ?begin.
    BIND (YEAR(?begin) AS ?beginYear).
    BIND (SUBSTR(?value, 5, 4) AS ?substr).
    FILTER (STR(?beginYear) != ?substr)
  }