Title: Airport.
Question: What type of services are sometimes open to passengers who are members of a different airline's frequent flyer program?

Title: Premier League.
Question: How many votes do the member clubs of the Premier League have each?

Title: Philadelphia.
Question: Is that the above or below the national average?

Title: Financial crisis of 2007%E2%80%9308.
Question:
How many U.S. investment banks significantly increased their financial leverage from 2004 to 2007?