Given the task definition and input, reply with output. Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: Mary Hoyt Wiborg was born on January 28, 1888, to Frank Bestow Wiborg in Cincinnati. 
 Question: What is the name of Mary Hoyt Wiborg father?

frank bestow wiborg