query: SELECT (wd:Q86847911 AS ?item) ("rect" AS ?type) ("1400" AS ?width) ("600" AS ?height) ("COVID-19 in Austria" AS ?legend) ("Day" AS ?xAxisTitle) ("Anzahl infizierter Personen" AS ?yAxisTitle) 
  (GROUP_CONCAT(?day; SEPARATOR = ",") AS ?x) (GROUP_CONCAT(?noC; SEPARATOR = ",") AS ?y) 
  WHERE {
    {
  SELECT (DAY(?pointintime) AS ?day) ?noC WHERE {
        wd:Q86847911 p:P1603 ?noCStmt.
        ?noCStmt ps:P1603 ?noC;
          pq:P585 ?pointintime;
          prov:wasDerivedFrom ?refNodeCase.
        ?refNodeCase pr:P123 wd:Q1006381.
    FILTER(?pointintime >= "2020-05-01T00:00:00"^^xsd:dateTime)
      FILTER(?pointintime < "2020-06-01T00:00:00"^^xsd:dateTime)
      }
      ORDER BY ASC (?pointintime)
    }
  }