> and later, the
<code>GeoIPAllowFilter</code> directive can also take a <em>single</em>
parameter which specifies a SQL query (via <code>mod_sql</code>'s
<a href="mod_sql.html#SQLNamedQuery"><code>SQLNamedQuery</code></a>), which
will be used to retrieve the <em>filter</em> and <em>pattern</em> values to use.

<p>
Examples:
<pre>
  # Allow clients with high-speed connections
  GeoIPAllowFilter NetworkSpeed corporate

  # Reject clients connecting from North America or South America
  GeoIPDenyFilter Contin