<?php

$results_count = $wpdb->get_var(“SELECT count(ID) FROM wp_posts JOIN wp_postmeta WHERE wp_posts.ID = wp_postmeta.post_id AND wp_posts.post_type=’aviweb’ AND wp_postmeta.meta_key=’website’ AND wp_postmeta.meta_value=’aviweb.wordpress.com'”);

echo $results_count;

?>