$query_total = urlencode(
-"Max N@@@select COUNT(DISTINCT test) as N from bench group by mark order by N desc)"
+"Max N@@@select COUNT(DISTINCT test) as N from bench group by mark order by N desc LIMIT 0,1;"
. "###" .
"Number of compiled tests@@@select mark, COUNT(DISTINCT test) as N from bench group by mark order by mark desc***"
);