Passing Sql Queries In Report?

I want to pass the below statement to a report..

select a.po_number,a.mr_number,b.item_code,c.item_desc,
b.qty,b.rate from po_head a,po_detail b,item_master c
where a.mr_number=b.mr_number and b.item_code=c.item_code and
po_number = ' & combopo.text & ';