SELECT (SELECT COUNT(*) from logging_userindex l2 

    WHERE l2.log_timestamp >= l1.log_timestamp and l2.log_timestamp < (l1.log_timestamp+1000000) and l2.log_actor=l1.log_actor

        and l2.log_type="newusers") as creation_count, 

actor_user, actor_name, l1.log_timestamp from logging l1 join actor on log_actor=actor_id 

where l1.log_timestamp > "20190501000000" and l1.log_type="newusers" 

and not exists (select * from user_groups where ug_user=actor_user and (ug_group="sysop" || ug_group="accountcreator" || ug_group="eventcoordinator"))

and (SELECT COUNT(*) from logging_userindex l2 

    WHERE l2.log_timestamp >= l1.log_timestamp and l2.log_timestamp < (l1.log_timestamp+1000000) and l2.log_actor=l1.log_actor

        and l2.log_type="newusers") > 4;