Código PHP:
mysql_select_db($database_general, $general);
$query_ultimate = "SELECT * FROM clasesdictadas WHERE clasenumero = '$row_ultima[ultima]' AND clase = '$row_ultima[clase]'";
$ultimate = mysql_query($query_ultimate, $general) or die(mysql_error());
$row_ultimate = mysql_fetch_assoc($ultimate);
$totalRows_ultimate = mysql_num_rows($ultimate);