my $Return_results = "Select * from Result_storage_keep where Unique_identifier LIKE ".$Request_id." AND Aggregated_area = Instance_name AND Disease_cat = Cause_catagory\;";

  my $sth_C = $dbh->prepare($Return_results) or die "Couldn't prepare query: ".$dbh->errstr;
  
  $sth_C->execute() or die "Couldn't execute query: ".$sth_C->errstr;