Passing Table dynamically using linq to entities

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LINQ

public int GetTableData()
       {
           var key = from k in base.DataContext.Keyword
                        select k;
           return key;
       }

In the above code i have written a method to get my respective data from the entity(.edmx file) which is in base.datacontext. But instead i want to pass the table name dynamically (Instead of Keyword in the above code). I want to pass a variable table name with which i can use this method to fetch data from multiple tables.

Can anybody help please.....!!!!!