what is the {point in time} for {George Sanders} has {award received} as {Academy Award for Best Supporting Actor} ?
On what date was George Sanders awarded Academy Award for Best Supporting Actor?
When George Sanders was awarded Academy Award for Best Supporting Actor?
SELECT ?g WHERE { ?w property:point_in_time ?g . resource:George_Sanders property:award_received ?w . ?w property:award_received resource:Academy_Award_for_Best_Supporting_Actor }
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} 

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