Title: John, King of England.
Question: Who forced William the Lion to swear fealty to him?

Title: Hokkien.
Question: What dialect did western diplomats learn to communicate with the Hokkien speaking people in China?

Title: Boston.
Question: What is the average rainfall in the City of Boston per year?

Title: American Idol.
Question:
In the same study, how much more likely was someone from Kentucky to tune into the show?