How do you have the bottom stroke of a table show up using Table Styles and Cell Styles only?

Question

I am using InDesign CS6, and I want to create a Table Style that has the bottom stroke show up, but does not have a table border, such as:
However, whenever I try to change the Table or Cell strokes so that the last stroke shows up, I get the entire table border, or some strange combination of borders:
Does anyone have any insight on how I can get the bottom stroke to show up while preserving my other stroke properties? Since I work with long documents, it's necessary to be able to control all of my tables through Table Styles and Cell Styles, and not by manually changing each and every table with the Stroke palette.
For reference, here are the my current Table Style properties and the resulting table:

Answer 1

Michael Murphy is the InDesign style-meister. He wrote "Adobe InDesign Styles" for Adobe Press, and did a great Lynda.com title on InDesign styling. Here's what he says in the book:
"As mentioned at the beginning of this chapter, with all the power of table and cell styles, it is important to understand not only how they work and what they can do for you, but also to understand their limitations.
"Two formatting features missing in table and cell styles have already been discussed: You will always have to set the column width and row height of cells when applying a table style for the first time, and you will always have to convert body rows to header and/or footer rows every time you apply a table style for first time or update the table's data....
"But there's another kind of limitation that's important to keep in mind as you are designing tables: It is very easy to design a table that cannot be completely defined by a table style. In many cases, you'll need to define an extra cell style or two that lets you complete for formatting. [my emphasis]."
So I think that's what you have to do: Apply another cell style on top of the cells at the bottom of the table after applying the table style.