shortcode with table

function CountyInstancesOver30($gallery=1) {
global $wpdb;
$sql = "SELECT County, COUNT(County) AS Incident FROM tblSpeedData WHERE Speed > 30";
$result = $wpdb->get_results($sql);
if( $result ) {
    $output = "<table>\n";
    foreach ($result as $pic)
    {
    $output .= "<tr><td>County: " . $pic->County . "</td><td>Incidents: " . $pic->Incident . "</td></tr>\n";
    }
$output .= "</table>\n";
}
return $output;
}
add_shortcode('CInstO30', 'CountyInstancesOver30');