An answer is given. Generate a question for which the given answer is either a direct or partial answer.

[EX Q]: Answer: iceland
[EX A]: where was leif erikson born?

[EX Q]: Answer: sam smith (singer)
[EX A]: what celebrities have their birthday on may 19?

[EX Q]: Answer: u2
[EX A]:
what are the albums produced by u2?