As far as I can see, there is the possibility, but no likelihood, that Rollwage is the topscorer, which is why I don't understand you insist him to be the right answer.
Well then, next question...
In the final battle of the Graf Spee, her and her main adversary saw each other at quite differing points of time.
What was this ship's name, what was the time interval of the different sightings, and how did it occur?