I dont understand what is wrong with this query it is giving me compile time error of command not ended properly.The inner query is giving me 4 records can any body help me out.

select WGN3EVENTPARTICIPANT.EVENTUID 
from 
    (Select WGN_V_ADDRESS_1.ADDRESSUID1 as add1,
            WGN_V_ADDRESS_1.ADDRESSUID2 as add2 
     from WGN3USER inner join 
          WGN_V_ADDRESS_1 on WGN_V_ADDRESS_1.USERID=wgn3user.USERID 
      where WGN3USER.USERNAME='FIRMWIDE\khuraj'
    ) as ta
    ,WGN3EVENTPARTICIPANT 
 where (ta.ADDRESSUID1=WGN3EVENTPARTICIPANT.ADDRESSUID1) AND    
       (ta.ADDRESSUID2=WGN3EVENTPARTICIPANT.ADDRESSUID2)

I am running it in oracle.

Thanks

Amandeep