TASK DEFINITION: An answer is given. Generate a question for which the given answer is either a direct or partial answer.
PROBLEM: Answer: the joshua tree

SOLUTION: first u2 album to be released on cd?

PROBLEM: Answer: new york knicks

SOLUTION: what was the first team to win the nba final?

PROBLEM: Answer: gary morton

SOLUTION:
who did lucille ball marry after her divorce with desi?