what is the {point in time} for {Emil Jannings} has {award received} as {Academy Award for Best Actor} ?
In which year Emil Jannings received Academy award for best actor?
When was the Academy award received by Emil Jannings for Best Actor?
SELECT ?n WHERE { ?d property:award_received resource:Academy_Award_for_Best_Actor . ?d property:point_in_time ?n . resource:Emil_Jannings property:award_received ?d }
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