Read this: The highwayman Dick Turpin used the Swan Inn at Woughton-on-the-Green in Buckinghamshire as his base. In the 1920s John Fothergill (1876–1957) was the innkeeper of the Spread Eagle in Thame, Berkshire, and published his autobiography: An Innkeeper's Diary (London: Chatto & Windus, 1931). During his idiosyncratic occupancy many famous people came to stay, such as H. G. Wells. United States president George W. Bush fulfilled his lifetime ambition of visiting a 'genuine British pub' during his November 2003 state visit to the UK when he had lunch and a pint of non-alcoholic lager (Bush being a teetotaler) with British Prime Minister Tony Blair at the Dun Cow pub in Sedgefield, County Durham in Blair's home constituency. There were approximately 53,500 public houses in 2009 in the United Kingdom. This number has been declining every year, so that nearly half of the smaller villages no longer have a local pub.

In what year was An Innkeeper's Diary published?
What is the answer? (If it cannot be answered, return "unanswerable")
1931