SELECT id FROM users WHERE active=1 AND about_me LIKE "%#България%" ORDER BY username ASC, num_followers DESC
0.01102
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#България($|\,)" ORDER BY username ASC
0.01469
SELECT id FROM users WHERE active=1 AND (username LIKE "%#България%" OR fullname LIKE "%#България%" OR position LIKE "%#България%") ORDER BY username ASC
0.01315
SELECT id FROM users WHERE active=1 AND (username="#България" OR fullname="#България" OR position="#България") ORDER BY username ASC