what is the {point in time} for {Harald zur Hausen} has {award received} as {Bavarian Maximilian Order for Science and Art} ?
On what date did Harald Zur Hausen receive the Bavarian Maximilian Order for Science and Art award?
When did Harald zur Hausen receive the Bavarian Maximilian Order for Science and Art award?
SELECT ?q WHERE { ?l property:award_received resource:Bavarian_Maximilian_Order_for_Science_and_Art . ?l property:point_in_time ?q . resource:Harald_zur_Hausen property:award_received ?l }
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} 

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