Question: The Sleaford, England brewery founded in 1777, now owned by The Bass Maltings, had an annual output of how many barrels by 1877?
Sentence (from "Bass Maltings, Sleaford"): The Bass Maltings in Sleaford, England are a large group of eight disused malt houses originally owned by the Bass Brewery of Burton upon Trent.
Relevant evidence: Yes