Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

[Q]: concept: Larry Hagman  question:  what kind of cancer killed larry hagman have?
[A]: ['Head and neck cancer', 'Cancer', 'Leukemia']


[Q]: concept: Lleyton Hewitt  question:  who is lleyton hewitt?
[A]: ['Tennis player']


[Q]: concept: Wayne Gretzky  question:  what teams did gretzky play on?
[A]:
Edmonton Oilers