#column: rating 
    		$worksheet[$counterWorkSheet]->data_validation('F'.$counterRow,
        	{
    			validate => 'list',
    			value    => ['good', 'sufficient', 'unsatisfied', 'critical'],
        	});



##</code><code>##

		my $columnEvidence;

		foreach my $e (@{$xmlData->{columnEvidence}})
		{
			$columnEvidence += "'$e',"; 		
		}

		#column: evidence	
    $worksheet[$counterWorkSheet]->data_validation('E'.$counterRow,
        	{
    			validate => 'list',
    			value    => [ $columnEvidence ]
        	});