Question: Which British Prime Minster belonged to a men-only dining club at the University of Oxford and was implicated in "Piggage"?
Sentence (from "Piggate"): The anecdote was reported by Michael Ashcroft and Isabel Oakeshott in their unauthorised biography of Cameron, "Call Me Dave", attributing the story to an anonymous Member of Parliament who was a "distinguished Oxford contemporary" of Cameron's.
Relevant evidence: No