Use shortcode to display information from an entry

<?php
// usage: [workshop form=17 field=1 value='Workshop A' return=2] using numeric IDs
add_shortcode('workshop', 'total_attendees');
function total_attendees($atts) {

        extract(shortcode_atts(array(
            // set defaults
            'form' => '403',
            'field' => '1',
            'value' => 'Workshop A',
            'return' => '2',
        ), $atts));

        // function to pull all the entries from one form
        // get_leads($form_id, $sort_field_number=0, $sort_direction='DESC', $search='', $offset=0,
        // $page_size=30, $star=null, $read=null, $is_numeric_sort = false, $start_date=null,
        // $end_date=null, $status='active', $payment_status = false)
        $attendees = RGFormsModel::get_leads($form, $return, 'ASC', '', 0, 999, NULL, NULL, FALSE, NULL, NULL, 'active', FALSE);

        // initialize an empty output string
        $output = '<table width="100%">';

        // loop through all the returned results
        foreach ($attendees as $attendee) {
            // if the $value passed in matches the value stored in the field you passed in, add it to the output
            if ($value == $attendee[$field]){
                $output .= '<tr><td width="35%">'. $attendee[$return] . '</td><td width="20%">Age: ' . $attendee['3'] . '</td><td width="45%">' . $attendee[$field] . '</td></tr>';
            }
        }

        // do some formatting and return the output from the shortcode
        $output .= '</table>';

        // just the string above will be returned.
        // You can style it here or where you are using the shortcode
        return $output;
}
// needed for the above to process the guests list shortcode in sidebar widget
add_filter('widget_text', 'do_shortcode');