How can I create a database from a sharepoint using entity framework

Hello All,

I want to develop a data base from SharePoint list independently. The column name are based on a SharePoint list eg: Contact-list (will be having 10 columns)

can any one please suggest me an idea on how to do this task? Which Visual Studio template is suitable for this purpose?

I confused with starting with following Visual studio template!!!

Empty SharePoint Project??, Business Data Connectivity Model??, ASP.Net Web application??

Somebody please help me soon....

I am using SharePoint 2010 and Visual Studio 2010