SQL query into Cognos report

Hello Techies,

I have a query which actually looks like
SELECT c1,c2,c3,c4,(select max(date_column) from T5 where T5.F1=T1.F1 AND T5.F2=T1.F2) as c5, c6
from T1 INNER T2 T1.F1=T2.F1 AND  T1.F2=T2.F2
            LEFT JOIN T2.F1=T3.F1 AND T2.F2=T3.F2
...