简化对具有相同结构的两个表的查询

除了要查询的表外，这两个查询是相同的。简化此操作以消除重复代码的最佳方法是什么？

        //These two queries are identical except for the table name
        var values = //Check for analog values
        from a in historianDB.tblActualValueFloats
        where a.PointSliceID == pointSliceID
        where a.UTCDateTime >= startDate && a.UTCDateTime < endDate.AddDays(1)
        orderby a.UTCDateTime
        select new Record(a.UTCDateTime.ToLocalTime(), a.ActualValue);
        if (values.Count() == 0)//If no analog records exist, check for digital values.
        {
            values =
            from a in historianDB.tblActualValueDigitals
            where a.PointSliceID == pointSliceID
            where a.UTCDateTime >= startDate && a.UTCDateTime < endDate.AddDays(1)
            orderby a.UTCDateTime
            select new Record(a.UTCDateTime.ToLocalTime(), a.ActualValue);
        }