You can either print the samplings as you parse the XML:

use strict;
use XML::Rules;

my $parser = XML::Rules->new(
    rules => {
        _default => 'content',
        'sampling,sports' => 'content array',
        dataName => sub {
            return unless $_[1]->{language} eq 'English';
            return $_[0] => $_[1];
        },
        place => sub {
            return unless $_[1]->{country} eq 'SouthAfrica';
            print "Sampling: " . join( ', ', @{$_[1]->{dataName}{sampl
+ing}}) . "\n";
            return;
        }
    }
);

$parser->parse(\*DATA);

__DATA__
<?xml version="1.0" encoding="utf-8" ?>
<request>
  <place>
    <country>SouthAfrica</country>
    <sports>cricket</sports>
    <sports>rugby</sports>
      <dataName>
       <language>English</language>
       <sampling>16000</sampling>
       <sampling>11025</sampling>
      </dataName>
    <dataName>
      <language>Africans</language>
      <sampling>16000</sampling>
    </dataName>
  </place>
</request>
[download]

or extract the data you need in an easy to use format and print what you need then:

use strict;
use XML::Rules;

my $parser = XML::Rules->new(
    rules => {
        _default => 'content',
        'sampling,sports' => 'content array',
        dataName => sub {
            return delete($_[1]->{language}) => $_[1];
        },
        place => sub {
            return delete($_[1]->{country}) => $_[1];
        },
        request => 'pass',
    },
    stripspaces => 7
);

my $data = $parser->parse(\*DATA);

#use Data::Dumper;
#print Dumper($data);

print "Sampling: " . join( ', ', @{$data->{SouthAfrica}{English}{sampl
+ing}}) . "\n";

__DATA__
<?xml version="1.0" encoding="utf-8" ?>
...
[download]

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