In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: Kurt Helin @basketballtalkBrilliant dig: Knicks fans chant “Derek Fisher” as Kings’ Matt Barnes inbounds ball , 4:18:07 AM Answer: derek fisher
what are the fans chanting?

Context: I will 100000000000% take you up on this. Ariana Grande (@ArianaGrande) October 27, 2015 Answer: 100000000000%
what percentage will ariana grande take someone up on?

Context: One never knows when the Master of the Mystic Arts will stop by! Thanks, @jhuniverse! # Marvel Entertainment (@Marvel) April 3, 2016 Answer: one

who never knows when the master of the mystic arts will stop by?