BI Reporting on course completion but only single completion

Summary

Is there a way to pull a bi report on a course but only do the latest completion?

Content

Is there a way to pull a BI Report on course completion but just have it set to the most recent completion? Here is the issue, we have a schedule report that goes out for HazMat completed courses, the problem is that these HazMat courses are in multiple learning plans so I can't pull a report based on Learning Plan completion. Then we have users who have viewed these courses multiple times and therefore the way Taleo stores completions, the report will show every completion, not the latest, or the best. So the reports are full of duplicates. Is there