Question: How many copies did the book, written in 1877 by the author with close historical links to the Sewell Barn Theatre, sell?
Sentence (from "Sewell Barn Theatre"): Sewell Barn Theatre is located in the grounds of Sewell Park Academy (formerly the Blyth school, later the Blyth-Jex school and Sewell Park College) on Constitution Hill in Norwich, England.
Relevant evidence: Yes