Question: Who was born first out of Robert Wuellner and Xiao Yanning?
Sentence (from "John McMahon (Surrey and Somerset cricketer)"): John William Joseph McMahon( 28 December 1917 – 8 May 2001) was an Australian- born first- class cricketer who played for Surrey and Somerset in England from 1947 to 1957.
Relevant evidence: No