Subsonic join to nested selected statement

Is it possible to do a join to a nested select statement in SubSonic 2.2? I am having trouble with this because I have to do a group by…

I.E.

select conn_company.company_name, SUM(t.quote_grand_total) as 'SUM' from conn_company 
    inner join 
    (SELECT *
     FROM [dbo].[QuoteDBAll]
     where [dbo].[QuoteDBAll].[quote_status_id] = 1
    AND [dbo].[QuoteDBAll].[quote_ca_modified_date] BETWEEN '12/1/2000' AND  '12/1/2009'
    ) t
    on conn_company.company_id = t.company_id
    group by company_name
    having  company_name = 'JACK'