XPath statement for traversing a nested node structure

I need some assistance with traversing a nested xml input file structure.

I need to determine between the begining of one nested structure and 
another the number of occurances of a particular element.
Example:

<TABLE><DPROW><OBJECT></OBJECT></DPROW></TABLE> would yield an occurance 
of one OBJECT element using the XPath statement DPROW/OBJECT.
The above XPath statement falls apart though when I introduce nested 
structures.
<TABLE><DPROW><OBJECT></OBJECT><TABLE><DPROW><OBJECT></OBJECT><OBJECT></OBJECT></DPROW></TABLE></DPROW></TABLE>
Inner most TABLE element has two OBJECT elements and the outer TABLE 
element would yield one OBJECT element.
What is a valid XPath statement need for traversing the nested xml 
structure above?
Any help would be greatly appreciated.

- Scott

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