How do i dispaly default value in infopath form field with a sharepoint list column?

I have a drop down list(timezone) in infopath.i have to give default value for that drop down list from sharepoint list.my sharepoint list have 2 columns(name,default value).in this custome list there are several items.in these list items there is item (defalut time zone,13).  i created a data connection between infopath form and sharepoint list.i have to diplay default value in timezone drop down box to be 13 using this sharepoint list.can anyone help me out?Start Free Trial