SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Carl_Stokes> <http://dbpedia.org/property/president> ?uri. <http://dbpedia.org/resource/Joseph_Stiglitz> <http://dbpedia.org/property/president> ?uri . }
Who was the president at the time when both Carl Stokes and Joseph Stiglitz held a position in US political framework?
SELECT DISTINCT ?j WHERE { resource:Carl_Stokes property:president ?j . resource:Joseph_Stiglitz property:president ?j . }
Bill Clinton
The president of both Carl Stokes and Joseph Stiglitz was [Bill Clinton].
[Bill Clinton] was the president of Carl Stokes and Joseph Smith.
The President of the them is [Bill Clinton].
Their president is [Bill Clinton].