query: #title:QS template for adding timestamps to novalue statements
  # 2021-08-06
  select ?qid ?P9837 ?qal585 #?lexemeId ?lemma 
  WHERE {
    ?lexemeId dct:language wd:Q9027.
  #  ?lexemeId a wdno:P8478.
      ?lexemeId a wdno:P9837.
    bind(replace(str(?lexemeId), "http://www.wikidata.org/entity/", "") as ?qid)
  BIND(str("novalue") AS ?P9837)
    BIND("+2021-09-01T00:00:00Z/11"  AS ?qal585)
  }
  