Which Roman emperor reigned the longest?
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Septimius Severus was a citizen of Ancient Rome.
The country of citizenship of Ancient Rome is Septimius Severus .
Which Roman emperor reigned the longest?</s> [unused1]Septimius Severus                [unused2] was a citizen of Ancient Rome.
Which Roman emperor reigned the longest?</s>Septimius Severus was a citizen of Ancient Rome.
Which Roman emperor reigned the longest?</s>The country of citizenship of Ancient Rome is [unused1]Septimius Severus                [unused2] .
Which Roman emperor reigned the longest?</s>The country of citizenship of Ancient Rome is Septimius Severus .
Which Roman emperor reigned the longest?</s>Ancient Rome,0,Ancient Rome,Ancient Rome,0,[unused1]Septimius Severus[unused2],[unused1]Septimius Severus[unused2],country of citizenship,Ancient Rome,[unused1]Septimius Severus[unused2],0,[unused1]Septimius Severus[unused2]
Which Roman emperor reigned the longest?</s>Ancient Rome,0,Ancient Rome,Ancient Rome,0,Septimius Severus,Septimius Severus,country of citizenship,Ancient Rome,Septimius Severus,0,Septimius Severus