Question: Clay is a 2008 Hip-hop musical loosely based on Shakespeare's "Henry IV, Parts 1 and 2", the central character, Sir John, is based on Falstaff, a fictional character who is mentioned in five plays by who?
Sentence (from "This England: The Histories"): The plays staged were: "Richard II", "Henry IV, Part 1", "Henry IV, Part 2", "Henry V", "Henry VI, Part 1", "Henry VI, Part 2", "Henry VI, Part 3", and "Richard III".
Relevant evidence: No