TQuery SQL in Delphi 2.0

What I would like to do is use the SQL property of the TQuery object to
Right Join three tables.  I have been able to Right Join two tables but
once I add the third table it won't work.  The SQL statement isn't the
problem because I have ran it in Paradox and it works exactly like I want
it to.  I have also wrote the SQL using subquieries and in Paradox it works
fine but in Delphi 2.0 it doesn't.  I was wondering if anyone has ran into
this problem and has a solution?