Title: 2008 Sichuan earthquake.
Question: How many people might actually be homeless?

Title: Great power.
Question: What did Castlereagh determine as the last resort of great power's influence?

Title: Canadian football.
Question: What distance from the sidelines are hash marks painted on a CFL field?

Title: Printed circuit board.
Question:
Besides assembly panels, what's the other type of panel?