text: SELECT COUNT( * ) AS COUNTER FROM "SITREG"."com.sap.sapmentors.sitreg.data::SITreg.Participant" AS "Participant"
    LEFT JOIN "com.sap.sapmentors.sitreg.data::SITreg.Event" AS "Event" ON "Participant"."EventID" = "Event"."ID"
    WHERE "Event"."EventDate" < ADD_DAYS (TO_DATE (CURRENT_DATE), -14);
  
  DELETE FROM "SITREG"."com.sap.sapmentors.sitreg.data::SITreg.Participant" AS "Participant"
    WHERE "Participant"."EventID" IN ( 
        SELECT "Event"."ID" FROM "com.sap.sapmentors.sitreg.data::SITreg.Event" AS "Event"
          WHERE "Event"."EventDate" < ADD_DAYS (TO_DATE (CURRENT_DATE), -14)
    );
  