Question: Who was this Mughal Emperor that reigned nearly half a century whom Saadat Ali Khan I fought alongside with against the Maratha in the Deccan?
Sentence (from "Saadat Ali Khan I"): Saadat Ali Khan (b. c. 1680 – d. 19 March 1739) was the Subahdar Nawab of Awadh (Oudh) from 26 January 1722 to 1739, and the son of Muhammad Nasir.
Relevant evidence: No