Error SQL:

QUERY:
select select_schoolserv_3,count(*) as count from vosknew_ru_schoolsotziv where select_schools_1=index group by select_schoolserv_3 order by count desc
MYSQL Error:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'index group by select_schoolserv_3 order by count desc' at line 1