Question: Ibn al-Sal'us was the chief financial adviser for the sultanate that spanned which realm?
Sentence (from "Ibn al-Sal'us"): Al-Sahib Shams ad-Din Muhammad ibn Uthman ibn Abi al-Raja' al-Tanukhi, better known as Ibn al-Sal'us (died 10 December 1294), was an Arab merchant and the "wazir" (chief financial adviser) of the Mamluk sultan, al-Ashraf Khalil (r. 1290–1293).
Relevant evidence: Yes