Where was Al-Hajjaj ibn Yusuf born in the empire Umayyad Caliphate?
SELECT ?obj WHERE { wd:Q293460 p:P19 ?s . ?s ps:P19 ?obj . ?s pq:P17 wd:Q8575586 }
al-hajjaj ibn yusuf: Q293460 umayyad caliphate: Q8575586