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: On a day like today, we're especially grateful to have Trevor Noah on #LSSC to help put things into perspective. #LSSC@ The Late Show (@colbertlateshow) June 15, 2017 Answer: trevor noah
who are they grateful to have on lssc?