Title: Beyoncé.
Question: Beyonce's group changed their name to Destiny's Child in what year?

Title: Pitch (music).
Question: Is a temporal delay necessary to produce an autocorrelation model of pitch perception?

Title: Korean War.
Question: Who believed that neither side would see a victory at the end of the Korean War?

Title: 2008 Sichuan earthquake.
Question:
What capabilities were cut to the entire Sichuan area?