Fail:select A.engs,A.bchap,A.bsec,A.echap,A.esec,A.txt,A.id,B.chinesef,A.tag from comment as A,main as B where A.engs=B.engs and and A.engs='Rom' and (A.bchap*1000+A.bsec)<= 0 and (A.echap*1000+A.esec)>= 0