what is the {point in time} for {Daniel Ellsberg} has {award received} as {American Book Awards} ?
When did Daniel Ellsberg recieve the American Book Award?
When was Daniel Ellsberg granted the American Book Awards?
SELECT ?i WHERE { ?n property:award_received resource:American_Book_Awards . ?n property:point_in_time ?i . resource:Daniel_Ellsberg property:award_received ?n }
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} 

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