Question: In what city is the church located that was named after the Anglo-Saxon missionary to the Frankish Empire?
Sentence (from "Saint Walpurga"): Saint Walpurga or Walburga (Old English: "Wealdburg" , Latin: "Valpurga, Walpurga, Walpurgis" ; c. AD 710 – 25 February 777 or 779), also spelled Valderburg or Guibor, was an Anglo-Saxon missionary to the Frankish Empire.
Relevant evidence: Yes