Which instrument did Duke Ellington play?
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Duke Ellington is the creator of the works protected by copyrights.
The creator of works protected by copyrights is Duke Ellington .
Which instrument did Duke Ellington play?</s>Duke Ellington is the creator of the [unused1]works protected by copyrights                [unused2] .
Which instrument did Duke Ellington play?</s>Duke Ellington is the creator of the works protected by copyrights.
Which instrument did Duke Ellington play?</s>The creator of [unused1]works protected by copyrights                [unused2] is Duke Ellington .
Which instrument did Duke Ellington play?</s>The creator of works protected by copyrights is Duke Ellington .
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Which instrument did Duke Ellington play?</s>works protected by copyrights,0,works protected by copyrights,works protected by copyrights,0,Duke Ellington,Duke Ellington,copyright status as a creator,works protected by copyrights,Duke Ellington,0,Duke Ellington