Vyber hodnot z dvoch tab

Chcem sa opytat mam dve tabulky user a list,do selectu potrebujem vytiahnut mena vsetkych uzivatelov z tabulky user a z tabulky list pocet ku kazdemu uzivatelovi user.idu=list.spracoval pocet z tab list zoradit to podla poctu od najmensieho da sa to jednym selektom alebo ako to mam urobit DB je mysql?
select count(distinct l.id) as pocet, u.meno FROM list AS l left join user as u on (l.spracoval=u.idu)
where u.idu=l.spracoval group by l.spracoval order by pocet asc;

echo "<select name='prprac' size='1'>";
for ($pom1=0;$pom1<$pocet;$pom1++):
echo "<option value=\"".mysql_Result($otaz,$pom1,"idu")."\">".mysql_Result($otaz,$po m1,"meno")."</option>\n";
endfor;
echo "</select>";